$BHLB
BERKSHIRE HILLS BANCORP INC Stock $bhlb

$bhlb Overview Financials Valuation SEC Filings Company Website

2022 Q2 Form 10-Q Financial Statement

#000110813422000012 Filed on May 10, 2022

Income Statement

Concept	2022 Q2	2022 Q1	2021 Q4
Revenue	$97.71M	$89.74M	$90.72M
YoY Change	0.31%	-11.4%	-8.4%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$8.611M	$8.527M
YoY Change	4.83%	-0.77%
% of Gross Profit
Depreciation & Amortization	$3.714M	$3.765M	$3.900M
YoY Change	-9.41%	-8.17%	-13.33%
% of Gross Profit
Operating Expenses	$8.611M	$8.527M
YoY Change	4.83%	-0.77%
Operating Profit
YoY Change
Interest Expense	$6.021M	$5.760M	$6.548M
YoY Change	-39.61%	-55.9%	-60.13%
% of Operating Profit
Other Income/Expense, Net	$1.812M	$3.166M
YoY Change	-18.05%	47.39%
Pretax Income	$29.23M	$25.19M	$24.31M
YoY Change	2.46%	51.48%	41.03%
Income Tax	$6.119M	$4.998M	$4.066M
% Of Pretax Income	20.93%	19.84%	16.72%
Net Earnings	$23.12M	$20.20M	$20.25M
YoY Change	6.84%	54.98%	34.91%
Net Earnings / Revenue	23.66%	22.5%	22.32%
Basic Earnings Per Share	$0.50	$0.42	$0.42
Diluted Earnings Per Share	$501.4K	$0.42	$0.42
COMMON SHARES
Basic Shares Outstanding	47.32M shares	47.67M shares	47.96M shares
Diluted Shares Outstanding	46.10M shares	48.07M shares	48.34M shares

Balance Sheet

Concept	2022 Q2	2022 Q1	2021 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments		$1.622B	$1.643B
YoY Change		-15.32%	4.24%
Cash & Equivalents	$871.0M	$1.607B	$1.628B
Short-Term Investments		$14.72M	$15.45M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$142.3M	$92.97M	$94.38M
YoY Change	35.89%	-14.34%	-16.23%
Goodwill			$0.00
YoY Change
Intangibles		$28.33M	$29.62M
YoY Change		-15.43%	-14.93%
Long-Term Investments
YoY Change
Other Assets	$5.386M	$3.988M	$57.00M
YoY Change	-98.06%	-98.69%	-82.02%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$11.58B	$12.10B	$11.55B
YoY Change	-5.66%	-5.18%	-9.99%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$55.99M	$57.09M	$56.00M
YoY Change	-8.22%	-6.42%	-12.5%
Deferred Revenue
YoY Change
Short-Term Debt		$0.00	$0.00
YoY Change			-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$55.99M	$57.09M	$56.00M
YoY Change	-8.22%	-6.42%	-12.5%
LONG-TERM LIABILITIES
Long-Term Debt	$205.2M	$107.3M	$107.0M
YoY Change	90.04%	-0.65%	-0.93%
Other Long-Term Liabilities	$130.5M	$125.0M	$127.0M
YoY Change	-83.63%	-84.7%	-83.9%
Total Long-Term Liabilities	$335.7M	$232.3M	$234.0M
YoY Change	-62.9%	-74.89%	-73.91%
TOTAL LIABILITIES
Total Short-Term Liabilities	$55.99M	$57.09M	$56.00M
Total Long-Term Liabilities	$335.7M	$232.3M	$234.0M
Total Liabilities	$10.56B	$11.00B	$10.37B
YoY Change	-4.8%	-5.0%	-10.97%
SHAREHOLDERS EQUITY
Retained Earnings		-$125.3M	-$139.4M
YoY Change		-44.66%	-40.27%
Common Stock		$1.424B	$1.424B
YoY Change		-0.05%	-0.27%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$116.5M	$89.86M
YoY Change		344.23%	187.3%
Treasury Stock Shares		4.111M shares	3.236M shares
Shareholders Equity	$1.014B	$1.094B	$1.182B
YoY Change
Total Liabilities & Shareholders Equity	$11.58B	$12.10B	$11.55B
YoY Change	-5.66%	-5.18%	-9.99%

Cashflow Statement

Concept	2022 Q2	2022 Q1	2021 Q4
OPERATING ACTIVITIES
Net Income	$23.12M	$20.20M	$20.25M
YoY Change	6.84%	54.98%	34.91%
Depreciation, Depletion And Amortization	$3.714M	$3.765M	$3.900M
YoY Change	-9.41%	-8.17%	-13.33%
Cash From Operating Activities	-$2.409M	$16.70M	$23.00M
YoY Change	-106.01%	-29.18%	-29.88%
INVESTING ACTIVITIES
Capital Expenditures	-$730.0K	$0.00	$0.00
YoY Change	-204.29%	-100.0%	-100.0%
Acquisitions
YoY Change
Other Investing Activities	-$252.3M	-$675.4M	-$227.5M
YoY Change	-164.49%		-165.04%
Cash From Investing Activities	-$253.1M	-$675.4M	-$227.5M
YoY Change	-164.56%	-291.28%	-165.22%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$29.25M
YoY Change
Debt Paid & Issued, Net		$46.00K
YoY Change		-99.96%
Cash From Financing Activities	-480.8M	$638.2M	-292.1M
YoY Change	-4.84%	-1926.26%	-221.25%
NET CHANGE
Cash From Operating Activities	-2.409M	$16.70M	23.00M
Cash From Investing Activities	-253.1M	-$675.4M	-227.5M
Cash From Financing Activities	-480.8M	$638.2M	-292.1M
Net Change In Cash	-736.2M	-$20.56M	-496.6M
YoY Change	907.16%	-106.02%	-179.78%
FREE CASH FLOW
Cash From Operating Activities	-$2.409M	$16.70M	$23.00M
Capital Expenditures	-$730.0K	$0.00	$0.00
Free Cash Flow	-$1.679M	$16.70M	$23.00M
YoY Change	-104.26%	-21.53%	-31.95%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001108134
CY2022Q1	dei	Amendment Flag AmendmentFlag	false
CY2022Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
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CY2022Q1	dei	Document Type DocumentType	10-Q
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CY2022Q1	dei	Document Period End Date DocumentPeriodEndDate	2022-03-31
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CY2022Q1	dei	Entity File Number EntityFileNumber	001-15781
CY2022Q1	dei	Entity Registrant Name EntityRegistrantName	BERKSHIRE HILLS BANCORP, INC.
CY2022Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-3510455
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CY2022Q1	us-gaap	Professional Fees ProfessionalFees	2692000	USD
CY2021Q1	us-gaap	Professional Fees ProfessionalFees	6614000	USD
CY2022Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	987000	USD
CY2022Q1	us-gaap	Adjustment For Amortization AdjustmentForAmortization	1286000	USD
CY2021Q1	us-gaap	Adjustment For Amortization AdjustmentForAmortization	1319000	USD
CY2022Q1	us-gaap	Other Nonrecurring Expense OtherNonrecurringExpense	18000	USD
CY2021Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2584000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16696000	USD
CY2021Q1	us-gaap	Other Nonrecurring Expense OtherNonrecurringExpense	3486000	USD
CY2022Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6341000	USD
CY2021Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6666000	USD
CY2022Q1	us-gaap	Noninterest Expense NoninterestExpense	68550000	USD
CY2021Q1	us-gaap	Noninterest Expense NoninterestExpense	78154000	USD
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	25194000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16632000	USD
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4998000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3601000	USD
CY2022Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	20196000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13031000	USD
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47668000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50330000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48067000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50565000	shares
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	20196000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	13031000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-101373000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-27013000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-26379000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-6863000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-74994000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20150000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-54798000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-7119000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1187773000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	13031000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20150000	USD
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.12
CY2021Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	6124000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	69000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	675000	USD
CY2021Q1	us-gaap	Stockholders Equity Other StockholdersEquityOther	135000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1175139000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1182435000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	20196000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-74994000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-54798000	USD
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.12
CY2022Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	6152000	USD
CY2022Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	29254000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	25000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1805000	USD
CY2022Q1	us-gaap	Stockholders Equity Other StockholdersEquityOther	200000	USD
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	1093861000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	20196000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	13031000	USD
CY2022Q1	bhlb	Financing Receivable And Debt Securities Held To Maturity Credit Loss Expense Reversal FinancingReceivableAndDebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-4000000	USD
CY2021Q1	bhlb	Financing Receivable And Debt Securities Held To Maturity Credit Loss Expense Reversal FinancingReceivableAndDebtSecuritiesHeldToMaturityCreditLossExpenseReversal	6500000	USD
CY2022Q1	bhlb	Amortizationof Securities AmortizationofSecurities	668000	USD
CY2021Q1	bhlb	Amortizationof Securities AmortizationofSecurities	389000	USD
CY2022Q1	bhlb	Change In Unamortized Net Loan Costs And Premiums ChangeInUnamortizedNetLoanCostsAndPremiums	-560000	USD
CY2021Q1	bhlb	Change In Unamortized Net Loan Costs And Premiums ChangeInUnamortizedNetLoanCostsAndPremiums	2755000	USD
CY2022Q1	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	2479000	USD
CY2021Q1	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	2839000	USD
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1805000	USD
CY2022Q1	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-5204000	USD
CY2021Q1	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-3938000	USD
CY2022Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	0	USD
CY2022Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	10595000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	23574000	USD
CY2021Q1	us-gaap	Share Based Compensation ShareBasedCompensation	675000	USD
CY2022Q1	bhlb	Accretionof Purchase Accounting Entries AccretionofPurchaseAccountingEntries	-677000	USD
CY2021Q1	bhlb	Accretionof Purchase Accounting Entries AccretionofPurchaseAccountingEntries	-1305000	USD
CY2022Q1	us-gaap	Adjustment For Amortization AdjustmentForAmortization	1286000	USD
CY2021Q1	us-gaap	Adjustment For Amortization AdjustmentForAmortization	1319000	USD
CY2022Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1332000	USD
CY2021Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1348000	USD
CY2022Q1	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	-745000	USD
CY2021Q1	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	-31000	USD
CY2021Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-2811000	USD
CY2022Q1	bhlb	Amortization Of Tax Credits AmortizationOfTaxCredits	357000	USD
CY2021Q1	bhlb	Amortization Of Tax Credits AmortizationOfTaxCredits	33000	USD
CY2022Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-202000	USD
CY2021Q1	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2021Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-192000	USD
CY2022Q1	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2021Q1	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	2849000	USD
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	386636000	USD
CY2021Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	103877000	USD
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	130118000	USD
CY2021Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	166998000	USD
CY2022Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2021Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	155417000	USD
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	23853000	USD
CY2021Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	9377000	USD
CY2022Q1	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	443357000	USD
CY2021Q1	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	412255000	USD
CY2022Q1	bhlb	Increase Decrease In Loans Held For Sale Investing Activities IncreaseDecreaseInLoansHeldForSaleInvestingActivities	0	USD
CY2021Q1	bhlb	Increase Decrease In Loans Held For Sale Investing Activities IncreaseDecreaseInLoansHeldForSaleInvestingActivities	-16830000	USD
CY2022Q1	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	429000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	353103000	USD
CY2022Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	630255000	USD
CY2021Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	28562000	USD
CY2022Q1	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	116000	USD
CY2021Q1	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	0	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Federal Reserve Stock ProceedsFromSaleOfFederalReserveStock	87000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Federal Reserve Stock ProceedsFromSaleOfFederalReserveStock	6193000	USD
CY2022Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	0	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2297000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-675420000	USD
CY2022Q1	bhlb	Increase Decrease In Loans Held For Sale Financing Activities IncreaseDecreaseInLoansHeldForSaleFinancingActivities	0	USD
CY2021Q1	bhlb	Increase Decrease In Loans Held For Sale Financing Activities IncreaseDecreaseInLoansHeldForSaleFinancingActivities	-29245000	USD
CY2022Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1275000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2022Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	46000	USD
CY2021Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	123022000	USD
CY2022Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	29254000	USD
CY2021Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2022Q1	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	25000	USD
CY2021Q1	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	69000	USD
CY2022Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	6152000	USD
CY2021Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	6124000	USD
CY2022Q1	bhlb	Settlementof Derivative Contractswith Institutional Counterparties SettlementofDerivativeContractswithInstitutionalCounterparties	-42065000	USD
CY2021Q1	bhlb	Settlementof Derivative Contractswith Institutional Counterparties SettlementofDerivativeContractswithInstitutionalCounterparties	-36326000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	638168000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-34944000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-20556000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	341733000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1627807000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1557875000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1607251000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1899608000	USD
CY2022Q1	bhlb	Interest Paid On Deposits InterestPaidOnDeposits	3965000	USD
CY2021Q1	bhlb	Interest Paid On Deposits InterestPaidOnDeposits	10149000	USD
CY2022Q1	us-gaap	Interest Paid Net InterestPaidNet	1588000	USD
CY2021Q1	us-gaap	Interest Paid Net InterestPaidNet	3655000	USD
CY2022Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2694000	USD
CY2021Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-2386000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-74994000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20150000	USD
CY2022Q1	bhlb	Unsettled Transactions Related To Security Purchases UnsettledTransactionsRelatedToSecurityPurchases	0	USD
CY2021Q1	bhlb	Unsettled Transactions Related To Security Purchases UnsettledTransactionsRelatedToSecurityPurchases	22126000	USD
CY2022Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
CY2021Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	9500000	USD
CY2022Q1	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	606000	USD
CY2021Q1	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	USD
CY2022Q1	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the financial statements. Actual results could differ from those estimates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Refer to Note 9 – Other Commitments, Contingencies, Off-Balance Sheet Activities, and Pandemic Impact for pandemic related risks and uncertainties.</span></div>
CY2022Q1	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	7700000	USD
CY2021Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	7900000	USD
CY2022Q1	us-gaap	Trading Securities TradingSecurities	7800000	USD
CY2021Q4	us-gaap	Trading Securities TradingSecurities	8400000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2137848000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2738000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	108011000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2032575000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	USD
CY2022Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	612174000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	6095000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	37731000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	580538000	USD
CY2022Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	99000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	15690000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	109000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	1080000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	14719000	USD
CY2022Q1	bhlb	Debt Securities Available For Sale And Held To Maturity And Equity Securities Fvni Amortized Cost Excluding Accrued Interest DebtSecuritiesAvailableForSaleAndHeldToMaturityAndEquitySecuritiesFVNIAmortizedCostExcludingAccruedInterest	2765712000	USD
CY2022Q1	bhlb	Debt Securities Available For Sale And Held To Maturity And Equity Securities Fvni Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesAvailableForSaleAndHeldToMaturityAndEquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax	8942000	USD
CY2022Q1	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	146822000	USD
CY2022Q1	bhlb	Debt Securities Available For Sale And Held To Maturity And Equity Securities Fvni Excluding Accrued Interest DebtSecuritiesAvailableForSaleAndHeldToMaturityAndEquitySecuritiesFVNIExcludingAccruedInterest	2627832000	USD
CY2022Q1	bhlb	Debt Securities Available For Sale And Held To Maturity Allowance For Credit Losses Excluding Accrued Interest DebtSecuritiesAvailableForSaleAndHeldToMaturityAllowanceForCreditLossesExcludingAccruedInterest	99000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	1881813000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	18168000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	22396000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1877585000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	636503000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	19741000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	9008000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	647236000	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	105000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	15689000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	67000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	303000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	15453000	USD
CY2021Q4	bhlb	Debt Securities Available For Sale And Held To Maturity And Equity Securities Fvni Amortized Cost Excluding Accrued Interest DebtSecuritiesAvailableForSaleAndHeldToMaturityAndEquitySecuritiesFVNIAmortizedCostExcludingAccruedInterest	2534005000	USD
CY2021Q4	bhlb	Debt Securities Available For Sale And Held To Maturity And Equity Securities Fvni Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesAvailableForSaleAndHeldToMaturityAndEquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax	37979000	USD
CY2021Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	31707000	USD
CY2021Q4	bhlb	Debt Securities Available For Sale And Held To Maturity And Equity Securities Fvni Excluding Accrued Interest DebtSecuritiesAvailableForSaleAndHeldToMaturityAndEquitySecuritiesFVNIExcludingAccruedInterest	2540274000	USD
CY2021Q4	bhlb	Debt Securities Available For Sale And Held To Maturity Allowance For Credit Losses Excluding Accrued Interest DebtSecuritiesAvailableForSaleAndHeldToMaturityAllowanceForCreditLossesExcludingAccruedInterest	105000	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	105000	USD
CY2022Q1	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-6000	USD
CY2022Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	99000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	104000	USD
CY2021Q1	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	7000	USD
CY2021Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	111000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	292101000	USD
CY2022Q1	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	21186000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	21602000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	292057000	USD
CY2022Q1	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	1717000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	1718000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	7941000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	8007000	USD
CY2022Q1	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	2783000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	2799000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	48905000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	48853000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	71926000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	73236000	USD
CY2022Q1	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	248509000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	241527000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	420873000	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	422153000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	274195000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	267646000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	1716975000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1610422000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	337979000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	312892000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2137848000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2032575000	USD
CY2022Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	612174000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	580538000	USD
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	386600000	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2021Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	103900000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	71819000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1404377000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	36192000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	341827000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	108011000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1746204000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	21945000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	173031000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	15786000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	137103000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	37731000	USD
CY2022Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	310134000	USD
CY2022Q1	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Losses DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLosses	93764000	USD
CY2022Q1	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Lessthan Twelve Months Fair Value DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionLessthanTwelveMonthsFairValue	1577408000	USD
CY2021Q4	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Losses DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLosses	19138000	USD
CY2022Q1	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Losses DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLosses	51978000	USD
CY2022Q1	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Twelve Monthsor Longer Fair Value DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsorLongerFairValue	478930000	USD
CY2022Q1	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Aggregate Losses DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses	145742000	USD
CY2022Q1	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Fair Value DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionFairValue	2056338000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	14528000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	712488000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	7868000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	252279000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	22396000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	964767000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4610000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	194606000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4398000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	113891000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	9008000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	308497000	USD
CY2021Q4	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Lessthan Twelve Months Fair Value DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionLessthanTwelveMonthsFairValue	907094000	USD
CY2021Q4	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Losses DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLosses	12266000	USD
CY2021Q4	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Twelve Monthsor Longer Fair Value DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsorLongerFairValue	366170000	USD
CY2021Q4	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Aggregate Losses DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses	31404000	USD
CY2021Q4	bhlb	Debt Securities Heldto Maturityand Availablefor Sale Securities Continuous Unrealized Loss Position Fair Value DebtSecuritiesHeldtoMaturityandAvailableforSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1273264000	USD
CY2022Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7267323000	USD
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6825847000	USD
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	99475000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	106094000	USD
CY2022Q1	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7167848000	USD
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	6719753000	USD
CY2022Q1	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	0	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	106094000	USD
CY2022Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	6047000	USD
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	3422000	USD
CY2022Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-3994000	USD
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	99475000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	127302000	USD
CY2021Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	11460000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1465000	USD
CY2021Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6493000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	123800000	USD
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	7043000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	7629000	USD
CY2022Q1	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	0	USD
CY2021Q1	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	200000	USD
CY2022Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	7043000	USD
CY2021Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	7829000	USD
CY2022Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7267323000	USD
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6825847000	USD
CY2022Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	29681000	USD
CY2022Q1	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	10581000	USD
CY2022Q1	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	6613000	USD
CY2022Q1	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	35326000	USD
CY2021Q4	bhlb	Brokered Time Deposits BrokeredTimeDeposits	228100000	USD
CY2021Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	19174000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	3271000	USD
CY2021Q4	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	27102000	USD
CY2022Q1	bhlb	Financing Receivable Troubled Debt Restructuring Principal Payments FinancingReceivableTroubledDebtRestructuringPrincipalPayments	80000	USD
CY2022Q1	bhlb	Financing Receivable Troubled Debt Restructuring Status Change FinancingReceivableTroubledDebtRestructuringStatusChange	0	USD
CY2022Q1	bhlb	Financing Receivable Troubled Debt Restructuring Other Increase Decrease FinancingReceivableTroubledDebtRestructuringOtherIncreaseDecrease	-8325000	USD
CY2022Q1	bhlb	Financing Receivable Troubled Debt Restructuring Additions FinancingReceivableTroubledDebtRestructuringAdditions	50000	USD
CY2022Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	18747000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	20548000	USD
CY2021Q1	bhlb	Financing Receivable Troubled Debt Restructuring Principal Payments FinancingReceivableTroubledDebtRestructuringPrincipalPayments	268000	USD
CY2021Q1	bhlb	Financing Receivable Troubled Debt Restructuring Status Change FinancingReceivableTroubledDebtRestructuringStatusChange	0	USD
CY2021Q1	bhlb	Financing Receivable Troubled Debt Restructuring Other Increase Decrease FinancingReceivableTroubledDebtRestructuringOtherIncreaseDecrease	511000	USD
CY2021Q1	bhlb	Financing Receivable Troubled Debt Restructuring Additions FinancingReceivableTroubledDebtRestructuringAdditions	690000	USD
CY2021Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	21481000	USD
CY2022Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1000	loan
CY2022Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	50000	USD
CY2022Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	50000	USD
CY2021Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	4000	loan
CY2021Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	690000	USD
CY2021Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	690000	USD
CY2022Q1	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	1	loan
CY2022Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	105000	USD
CY2022Q1	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	543728000	USD
CY2021Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	676979000	USD
CY2022Q1	bhlb	Time Deposits100000 Through250000 TimeDeposits100000Through250000	623928000	USD
CY2021Q4	bhlb	Time Deposits100000 Through250000 TimeDeposits100000Through250000	610174000	USD
CY2022Q1	bhlb	Time Deposits250000or More TimeDeposits250000orMore	361266000	USD
CY2021Q4	bhlb	Time Deposits250000or More TimeDeposits250000orMore	391787000	USD
CY2022Q1	us-gaap	Time Deposits TimeDeposits	1528922000	USD
CY2021Q4	us-gaap	Time Deposits TimeDeposits	1678940000	USD
CY2022Q1	bhlb	Brokered Time Deposits BrokeredTimeDeposits	164800000	USD
CY2022Q1	bhlb	Reciprocal Money Market Deposits ReciprocalMoneyMarketDeposits	79900000	USD
CY2021Q4	bhlb	Reciprocal Money Market Deposits ReciprocalMoneyMarketDeposits	89200000	USD
CY2022Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2022Q1	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2021Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0
CY2022Q1	us-gaap	Long Term Debt LongTermDebt	112132000	USD
CY2022Q1	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.0536
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	110844000	USD
CY2021Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.0533
CY2022Q1	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	112132000	USD
CY2022Q1	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0536
CY2021Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	110844000	USD
CY2022Q1	bhlb	Fair Value Estimates Impactof Settledto Market Contract FairValueEstimatesImpactofSettledtoMarketContract	3400000	USD
CY2021Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0533
CY2022Q1	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	3000000	USD
CY2022Q1	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	3262000	USD
CY2022Q1	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	14563000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Floating Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate	0	USD
CY2022Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Floating Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate	0	USD
CY2022Q1	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	3700000000	USD
CY2022Q1	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	38600000	USD
CY2022Q1	bhlb	Derivative Securities Pledged As Collateral Amortized Cost DerivativeSecuritiesPledgedAsCollateralAmortizedCost	45400000	USD
CY2022Q1	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	45300000	USD
CY2022Q1	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	3714951000	USD
CY2021Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	3711905000	USD
CY2021Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	43426000	USD
CY2021Q4	bhlb	Fair Value Estimates Impactof Settledto Market Contract FairValueEstimatesImpactofSettledtoMarketContract	45700000	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	53641000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	52180000	USD
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	6543000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	6674000	USD
CY2022Q1	bhlb	Lease Rightof Use Asset LeaseRightofUseAsset	60184000	USD
CY2021Q4	bhlb	Lease Rightof Use Asset LeaseRightofUseAsset	58854000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	57085000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	55674000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	9725000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	9862000	USD
CY2022Q1	bhlb	Lease Liability LeaseLiability	66810000	USD
CY2021Q4	bhlb	Lease Liability LeaseLiability	65536000	USD
CY2022Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y6M
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y6M
CY2022Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P12Y7M6D
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P12Y9M18D
CY2022Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0259
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0277
CY2022Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0500
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0500
CY2022Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	2600000	USD
CY2021Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	2800000	USD
CY2022Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	2614000	USD
CY2021Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	3330000	USD
CY2022Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	120000	USD
CY2021Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	127000	USD
CY2022Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	138000	USD
CY2021Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	131000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	7499000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	772000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9192000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	1037000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	7993000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1037000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	6215000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1037000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4992000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1037000	USD
CY2022Q1	bhlb	Lessee Operating Lease Liabilitytobe Paid After Year Four LesseeOperatingLeaseLiabilitytobePaidAfterYearFour	28683000	USD
CY2022Q1	bhlb	Finance Lease Liabilitytobe Paid After Year Four FinanceLeaseLiabilitytobePaidAfterYearFour	8187000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	64574000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	13107000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7489000	USD
CY2022Q1	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	3382000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	57085000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	9725000	USD
CY2022Q1	bhlb	Financing Receivable Modifications Active Modified Loans FinancingReceivableModificationsActiveModifiedLoans	7	loan
CY2022Q1	bhlb	Financing Receivable Modifications Active Modified Loans Carrying Value FinancingReceivableModificationsActiveModifiedLoansCarryingValue	13500000	USD
CY2021Q4	bhlb	Financing Receivable Modifications Active Modified Loans FinancingReceivableModificationsActiveModifiedLoans	19	loan
CY2021Q4	bhlb	Financing Receivable Modifications Active Modified Loans Carrying Value FinancingReceivableModificationsActiveModifiedLoansCarryingValue	14400000	USD
CY2022Q1	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.160
CY2021Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.173
CY2022Q1	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.080
CY2022Q1	bhlb	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.139
CY2021Q4	bhlb	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.150
CY2022Q1	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum	0.045
CY2022Q1	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.142
CY2021Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.153
CY2022Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.060
CY2022Q1	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.103
CY2021Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.105
CY2022Q1	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.040
CY2022Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-101373000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-26379000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-74994000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-27013000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-6863000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20150000	USD
CY2022Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-74994000	USD
CY2022Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-74994000	USD
CY2021Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-20150000	USD
CY2021Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20150000	USD
	us-gaap	Net Income Loss NetIncomeLoss	20196000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	13031000	USD
CY2022Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	51903000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	51903000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	3494000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	948000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	741000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	625000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47668000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50330000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48067000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50565000	shares
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2022Q1	bhlb	Investment Portfolio Number Of Securities InvestmentPortfolioNumberOfSecurities	1	security
CY2022Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	69063000	USD
CY2021Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	75093000	USD
CY2022Q1	bhlb	Financing Receivable And Debt Securities Held To Maturity Credit Loss Expense Reversal FinancingReceivableAndDebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-4000000	USD
CY2021Q1	bhlb	Financing Receivable And Debt Securities Held To Maturity Credit Loss Expense Reversal FinancingReceivableAndDebtSecuritiesHeldToMaturityCreditLossExpenseReversal	6500000	USD
CY2022Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	73063000	USD
CY2021Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	68593000	USD

Files In Submission

Name	View Source	Status
0001108134-22-000012-index-headers.html	Edgar Link	pending
0001108134-22-000012-index.html	Edgar Link	pending
0001108134-22-000012.txt	Edgar Link	pending
0001108134-22-000012-xbrl.zip	Edgar Link	pending
bhlb-20220331.htm	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
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$BHLB
BERKSHIRE HILLS BANCORP INC Stock $bhlb

2022 Q2 Form 10-Q Financial Statement

#000110813422000012 Filed on May 10, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BHLB BERKSHIRE HILLS BANCORP INC Stock $bhlb

2022 Q2 Form 10-Q Financial Statement

#000110813422000012 Filed on May 10, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BHLB
BERKSHIRE HILLS BANCORP INC Stock $bhlb