$BHLB
BERKSHIRE HILLS BANCORP INC Stock $bhlb

$bhlb Overview Financials Valuation SEC Filings Company Website

2019 Q2 Form 10-Q Financial Statement

#000110813419000011 Filed on August 09, 2019

Income Statement

Concept	2019 Q2	2018 Q2	2018 Q1
Revenue	$109.1M	$109.9M	$103.6M
YoY Change	-0.74%	7.4%	1.97%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$6.715M	$7.053M	$6.484M
YoY Change	-4.79%	2.47%	6.52%
% of Gross Profit
Depreciation & Amortization	$4.300M	$3.800M	$3.800M
YoY Change	13.16%	15.15%	15.15%
% of Gross Profit
Operating Expenses	$6.715M	$7.053M	$6.484M
YoY Change	-4.79%	2.47%	6.52%
Operating Profit
YoY Change
Interest Expense	$37.64M	$25.19M	$21.39M
YoY Change	49.42%	66.6%	54.73%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$29.07M	$41.86M	$32.71M
YoY Change	-30.54%	49.85%	47.19%
Income Tax	$5.118M	$8.145M	$7.337M
% Of Pretax Income	17.6%	19.46%	22.43%
Net Earnings	$25.45M	$34.03M	$25.25M
YoY Change	-25.22%	72.8%	63.31%
Net Earnings / Revenue	23.32%	30.96%	24.36%
Basic Earnings Per Share	$0.52	$0.74	$0.55
Diluted Earnings Per Share	$0.52	$0.74	$0.55
COMMON SHARES
Basic Shares Outstanding	48.96M shares	46.03M shares	45.97M shares
Diluted Shares Outstanding	49.11M shares	46.22M shares	46.20M shares

Balance Sheet

Concept	2019 Q2	2018 Q2	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$288.9M	$198.8M
YoY Change	45.33%
Cash & Equivalents	$229.3M	$139.1M	$123.9M
Short-Term Investments	$59.58M	$59.73M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$121.6M	$112.2M	$111.2M
YoY Change	8.38%	18.93%	16.84%
Goodwill	$554.7M	$519.1M	$519.1M
YoY Change	6.85%	28.78%	28.78%
Intangibles	$48.72M	$35.84M	$37.09M
YoY Change	35.96%	100.5%	98.91%
Long-Term Investments
YoY Change
Other Assets	$264.0M	$54.00M	$52.00M
YoY Change	388.89%	31.71%	23.81%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$13.65B	$11.90B	$11.52B
YoY Change	14.72%	23.63%	23.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$85.00M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$608.9M	$1.002B	$835.9M
YoY Change	-39.23%	-7.36%	-26.47%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$85.00M	$1.002B	$836.0M
YoY Change	-91.52%	-7.39%	-26.47%
LONG-TERM LIABILITIES
Long-Term Debt	$108.0M	$89.00M	$89.00M
YoY Change	21.35%	0.0%	0.0%
Other Long-Term Liabilities	$210.0M	$183.0M	$123.0M
YoY Change	14.75%	6.4%	-22.15%
Total Long-Term Liabilities	$318.0M	$272.0M	$212.0M
YoY Change	16.91%	4.21%	-14.17%
TOTAL LIABILITIES
Total Short-Term Liabilities	$85.00M	$1.002B	$836.0M
Total Long-Term Liabilities	$318.0M	$272.0M	$212.0M
Total Liabilities	$11.87B	$10.39B	$10.02B
YoY Change	14.33%	24.24%	22.24%
SHAREHOLDERS EQUITY
Retained Earnings	$336.5M	$283.3M	$259.5M
YoY Change	18.81%	19.28%	15.18%
Common Stock	$1.422B	$1.245B	$1.244B
YoY Change	14.2%	18.15%	38.2%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$24.06M	$21.44M	$22.62M
YoY Change	12.25%	-12.36%	-12.45%
Treasury Stock Shares	858.0K shares	791.6K shares	851.5K shares
Shareholders Equity	$1.780B	$1.516B	$1.498B
YoY Change
Total Liabilities & Shareholders Equity	$13.65B	$11.90B	$11.52B
YoY Change	14.72%	23.63%	23.89%

Cashflow Statement

Concept	2019 Q2	2018 Q2	2018 Q1
OPERATING ACTIVITIES
Net Income	$25.45M	$34.03M	$25.25M
YoY Change	-25.22%	72.8%	63.31%
Depreciation, Depletion And Amortization	$4.300M	$3.800M	$3.800M
YoY Change	13.16%	15.15%	15.15%
Cash From Operating Activities	-$5.900M	-$13.60M	$84.48M
YoY Change	-56.62%	-58.41%	73.66%
INVESTING ACTIVITIES
Capital Expenditures	-$1.700M	-$3.600M	$4.376M
YoY Change	-52.78%	100.0%	-13.69%
Acquisitions
YoY Change
Other Investing Activities	$378.7M	-$261.8M	$0.00
YoY Change	-244.65%	4.59%	-100.0%
Cash From Investing Activities	$376.9M	-$265.4M	-$211.5M
YoY Change	-242.01%	5.28%	28.94%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net			$1.158B
YoY Change			-47.89%
Cash From Financing Activities	-309.4M	294.2M	$2.108M
YoY Change	-205.17%	0.31%	-97.8%
NET CHANGE
Cash From Operating Activities	-5.900M	-13.60M	$84.48M
Cash From Investing Activities	376.9M	-265.4M	-$211.5M
Cash From Financing Activities	-309.4M	294.2M	$2.108M
Net Change In Cash	61.60M	15.20M	-$124.9M
YoY Change	305.26%	78.82%	532.92%
FREE CASH FLOW
Cash From Operating Activities	-$5.900M	-$13.60M	$84.48M
Capital Expenditures	-$1.700M	-$3.600M	$4.376M
Free Cash Flow	-$4.200M	-$10.00M	$80.10M
YoY Change	-58.0%	-67.64%	83.83%

Facts In Submission

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	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0001108134
	dei	Entity Registrant Name EntityRegistrantName	BERKSHIRE HILLS BANCORP INC
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-15781
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-3510455
	dei	Entity Address Address Line1 EntityAddressAddressLine1	60 State Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Boston
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	02109
	dei	City Area Code CityAreaCode	800
	dei	Local Phone Number LocalPhoneNumber	773-5601
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
	dei	Trading Symbol TradingSymbol	BHLB
	dei	Security Exchange Name SecurityExchangeName	NYSE
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CY2019Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	34779000	USD
CY2018Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	33499000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	68279000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	67346000	USD
	bhlb	Occupancy And Equipment OccupancyAndEquipment	18416000	USD
CY2019Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	6715000	USD
CY2018Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7053000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	12972000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	13537000	USD
CY2019Q2	us-gaap	Marketing Expense MarketingExpense	1155000	USD
CY2018Q2	us-gaap	Marketing Expense MarketingExpense	1084000	USD
	us-gaap	Marketing Expense MarketingExpense	2422000	USD
	us-gaap	Marketing Expense MarketingExpense	2306000	USD
CY2019Q2	us-gaap	Professional Fees ProfessionalFees	3953000	USD
CY2018Q2	us-gaap	Professional Fees ProfessionalFees	864000	USD
	us-gaap	Professional Fees ProfessionalFees	6228000	USD
	us-gaap	Professional Fees ProfessionalFees	2560000	USD
CY2019Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1751000	USD
CY2018Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1411000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3390000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2606000	USD
CY2019Q2	bhlb	Other Real Estate Owned OtherRealEstateOwned	-2000	USD
CY2018Q2	bhlb	Other Real Estate Owned OtherRealEstateOwned	1000	USD
	bhlb	Other Real Estate Owned OtherRealEstateOwned	0	USD
	bhlb	Other Real Estate Owned OtherRealEstateOwned	68000	USD
CY2019Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1475000	USD
CY2018Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1246000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2675000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2514000	USD
CY2019Q2	us-gaap	Other Nonrecurring Expense OtherNonrecurringExpense	11155000	USD
CY2018Q2	us-gaap	Other Nonrecurring Expense OtherNonrecurringExpense	847000	USD
	us-gaap	Other Nonrecurring Expense OtherNonrecurringExpense	18170000	USD
	us-gaap	Other Nonrecurring Expense OtherNonrecurringExpense	5940000	USD
CY2019Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6138000	USD
CY2018Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6298000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	15528000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	11600000	USD
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	76568000	USD
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	61527000	USD
	us-gaap	Noninterest Expense NoninterestExpense	148559000	USD
	us-gaap	Noninterest Expense NoninterestExpense	126893000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29072000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	41856000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	60261000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	74564000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5118000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8145000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12035000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15482000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	23954000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	33711000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	48226000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	59082000	USD
CY2019Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	2082000	USD
CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	426000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	1228000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	264000	USD
CY2019Q2	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	588000	USD
CY2018Q2	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	106000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	371000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	67000	USD
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1494000	USD
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	320000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	857000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	197000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	25448000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
	us-gaap	Net Income Loss NetIncomeLoss	49083000	USD
	us-gaap	Net Income Loss NetIncomeLoss	59279000	USD
CY2019Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	240000	USD
CY2018Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	229000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	480000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	459000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	25208000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	33802000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	48603000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	58820000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.49
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.73
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.01
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.29
CY2019Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.03
CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.01
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.03
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.29
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.49
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.73
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.01
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.28
CY2019Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.03
CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.01
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.28
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48961000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46032000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47550000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45999000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49114000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46215000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	47700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46206000	shares
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	25448000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
	us-gaap	Net Income Loss NetIncomeLoss	49083000	USD
	us-gaap	Net Income Loss NetIncomeLoss	59279000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	19108000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-7840000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	33323000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-27002000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4901000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2001000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	8552000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-6932000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14207000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5839000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	24771000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20070000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	39655000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	39209000	USD
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	1497657000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28192000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	73854000	USD
CY2019Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10469000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5839000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28192000	USD
CY2018Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	9995000	USD
CY2018Q2	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	229000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	25000	USD
CY2018Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1416000	USD
CY2018Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	825000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	1516241000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	1577005000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	25448000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14207000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	39655000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	176711000	USD
CY2019Q2	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	240000	USD
CY2019Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3326000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	14000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1015000	USD
CY2019Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	528000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	1779837000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1496264000	USD
	us-gaap	Net Income Loss NetIncomeLoss	59279000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20070000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	39209000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19977000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	459000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	101000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2798000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	1695000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	1516241000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1552918000	USD
	us-gaap	Net Income Loss NetIncomeLoss	49083000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	24771000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	73854000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	176711000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20944000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	480000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3326000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	14000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2004000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	914000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	1779837000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	48226000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	59082000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	857000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	197000	USD
	us-gaap	Net Income Loss NetIncomeLoss	49083000	USD
	us-gaap	Net Income Loss NetIncomeLoss	59279000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	7468000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	12107000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1228000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1460000	USD
	bhlb	Change In Unamortized Net Loan Costs And Premiums ChangeInUnamortizedNetLoanCostsAndPremiums	-5693000	USD
	bhlb	Change In Unamortized Net Loan Costs And Premiums ChangeInUnamortizedNetLoanCostsAndPremiums	1520000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4952000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	5056000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2004000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2798000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	-4642000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	-11114000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2675000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2514000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2463000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2359000	USD
	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	2568000	USD
	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	-784000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	5478000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	1843000	USD
	bhlb	Increase Decrease In Lease Right Of Use Assets IncreaseDecreaseInLeaseRightOfUseAssets	-6488000	USD
	bhlb	Increase Decrease In Lease Liabilities IncreaseDecreaseInLeaseLiabilities	-6638000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-1615000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	0	USD
	bhlb	Amortization Of Tax Credits AmortizationOfTaxCredits	2517000	USD
	bhlb	Amortization Of Tax Credits AmortizationOfTaxCredits	2100000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	5320000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-357000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	55757000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	69422000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-81825000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	1461000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-26068000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	70883000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-347000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-328000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	12393000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	12688000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	11896000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	26096000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	15180000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	165312000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	82978000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	89766000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	93049000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	459000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	7781000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	9287000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	23981000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-219395000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	413717000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	459000	USD
	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	52212000	USD
	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	41118000	USD
	us-gaap	Proceeds From Sale Of Federal Reserve Stock ProceedsFromSaleOfFederalReserveStock	78121000	USD
	us-gaap	Proceeds From Sale Of Federal Reserve Stock ProceedsFromSaleOfFederalReserveStock	28673000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1815000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2464000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4111000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7958000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-110774000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	1600000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-2000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	516392000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-476852000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	249777000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	90009000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2242517000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2287896000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2911765000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2061307000	USD
	bhlb	Interest Paid On Deposits InterestPaidOnDeposits	32160000	USD
	us-gaap	Interest Paid Net InterestPaidNet	20318000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3326000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	14000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	101000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	21424000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	20436000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-444207000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	296263000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	46117000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-109706000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	183189000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	248763000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	229306000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	139057000	USD
	bhlb	Interest Paid On Deposits InterestPaidOnDeposits	54291000	USD
	us-gaap	Interest Paid Net InterestPaidNet	14202000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3752000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-2446000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	1595054000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	1530010000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	24771000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20070000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	176144000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
	bhlb	Real Estate Owned Acquired In Settlement Of Loans RealEstateOwnedAcquiredInSettlementOfLoans	0	USD
	bhlb	Real Estate Owned Acquired In Settlement Of Loans RealEstateOwnedAcquiredInSettlementOfLoans	1600000	USD
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-style:italic;font-weight:bold;">Reclassifications</span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">Certain items in prior financial statements have been reclassified to conform to the current presentation.</span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div>
CY2019Q2	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	9700000	USD
CY2018Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	10100000	USD
CY2019Q2	us-gaap	Trading Securities Debt TradingSecuritiesDebt	11200000	USD
CY2018Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	11200000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1397722000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	16174000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	3818000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1410078000	USD
CY2019Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	364463000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	14028000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1435000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	377056000	USD
CY2019Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	55831000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	4820000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	1073000	USD
CY2019Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	59578000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Amortized Cost DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAmortizedCost	1818016000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Accumulated Gross Unrealized Gainbefore Tax DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax	35022000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	6326000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNI	1846712000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1421273000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4065000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	25691000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1399647000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	373763000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	4124000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	6663000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	371224000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	55471000	USD
CY2018	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	4370000	USD
CY2018	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	3203000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	56638000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Amortized Cost DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAmortizedCost	1850507000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Accumulated Gross Unrealized Gainbefore Tax DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax	12559000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	35557000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturityand Equity Securities Fvni DebtSecuritiesAvailableforsaleandHeldtomaturityandEquitySecuritiesFVNI	1827509000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	15204000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	15245000	USD
CY2019Q2	bhlb	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	2875000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	2875000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	31179000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	31213000	USD
CY2019Q2	bhlb	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	14729000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	14844000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	71721000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	72831000	USD
CY2019Q2	bhlb	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	15086000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	15180000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	153621000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	158918000	USD
CY2019Q2	bhlb	Held To Maturity Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	243904000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	253439000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	271725000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	278207000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	276594000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	286338000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	1125997000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1131871000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	87869000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	90718000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1397722000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1410078000	USD
CY2019Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	364463000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	377056000	USD
CY2019Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	80400000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	83000000.0	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	5000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	7000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	11000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	7000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	515000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	90256000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3303000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	287645000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	3818000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	377901000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	0	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1435000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	24078000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1435000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	24078000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position Lessthan12 Months Accumulated Loss DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss	515000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position Lessthan12 Months DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12Months	90256000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position12 Monthsor Longer Accumulated Loss DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss	4738000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position12 Monthsor Longer DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLonger	311723000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturity Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss	5253000	USD
CY2019Q2	bhlb	Debt Securities Availableforsaleand Heldtomaturity Unrealized Loss Position DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition	401979000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1576000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	130805000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	24115000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	992767000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	25691000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1123572000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	192000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	25674000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6471000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	170459000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	6663000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	196133000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position Lessthan12 Months Accumulated Loss DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss	1768000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position Lessthan12 Months DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12Months	156479000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position12 Monthsor Longer Accumulated Loss DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss	30586000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturity Continuous Unrealized Loss Position12 Monthsor Longer DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLonger	1163226000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturity Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss	32354000	USD
CY2018Q4	bhlb	Debt Securities Availableforsaleand Heldtomaturity Unrealized Loss Position DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition	1319705000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	176000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	9941828000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	9043253000	USD
CY2019Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	2139000	USD
CY2018Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	10392000	USD
CY2019Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	4200000	USD
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	0	USD
CY2019Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	2278000	USD
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	6881000	USD
CY2019Q2	bhlb	Certain Loans Acquiredin Transfernot Accountedforas Debt Securities Changesin Cash Flownot Affecting Nonaccretable Difference CertainLoansAcquiredinTransfernotAccountedforasDebtSecuritiesChangesinCashFlownotAffectingNonaccretableDifference	1464000	USD
CY2018Q2	bhlb	Certain Loans Acquiredin Transfernot Accountedforas Debt Securities Changesin Cash Flownot Affecting Nonaccretable Difference CertainLoansAcquiredinTransfernotAccountedforasDebtSecuritiesChangesinCashFlownotAffectingNonaccretableDifference	4517000	USD
CY2019Q2	bhlb	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Payments Received CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldPaymentsReceived	105000	USD
CY2018Q2	bhlb	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Payments Received CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldPaymentsReceived	1724000	USD
CY2019Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	5420000	USD
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	6304000	USD
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	2840000	USD
CY2017Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	11561000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	4200000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	0	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	3598000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	10313000	USD
	bhlb	Certain Loans Acquiredin Transfernot Accountedforas Debt Securities Changesin Cash Flownot Affecting Nonaccretable Difference CertainLoansAcquiredinTransfernotAccountedforasDebtSecuritiesChangesinCashFlownotAffectingNonaccretableDifference	2129000	USD
	bhlb	Certain Loans Acquiredin Transfernot Accountedforas Debt Securities Changesin Cash Flownot Affecting Nonaccretable Difference CertainLoansAcquiredinTransfernotAccountedforasDebtSecuritiesChangesinCashFlownotAffectingNonaccretableDifference	7049000	USD
	bhlb	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Payments Received CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldPaymentsReceived	160000	USD
	bhlb	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Payments Received CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldPaymentsReceived	1912000	USD
	bhlb	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Transfersto Trouble Debt Restructuring CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldTransferstoTroubleDebtRestructuring	9000	USD
	bhlb	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Transfersto Trouble Debt Restructuring CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldTransferstoTroubleDebtRestructuring	0	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	0	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	81000	USD
CY2019Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	5420000	USD
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	6304000	USD
CY2019Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	35771000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	32425000	USD
	bhlb	Troubled Debt Restructuring Sustained Repayment Period Of Borrower To Consider Return To Performing Status TroubledDebtRestructuringSustainedRepaymentPeriodOfBorrowerToConsiderReturnToPerformingStatus	P6M
CY2019Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	6700000	USD
CY2019Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2	modification
CY2019Q2	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	282000	USD
CY2019Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	279000	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	5	modification
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	620000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	617000	USD
CY2018Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	modification
CY2018Q2	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	0	USD
CY2018Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	5	modification
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	2113000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	2042000	USD
CY2019Q2	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	contract
CY2018Q2	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	2	contract
CY2019Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	25185000	USD
CY2018Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	43105000	USD
CY2019Q2	bhlb	Financing Receivable Troubled Debt Restructuring Principal Payments FinancingReceivableTroubledDebtRestructuringPrincipalPayments	375000	USD
CY2018Q2	bhlb	Financing Receivable Troubled Debt Restructuring Principal Payments FinancingReceivableTroubledDebtRestructuringPrincipalPayments	2511000	USD
CY2019Q2	bhlb	Financing Receivable Troubled Debt Restructuring Status Change FinancingReceivableTroubledDebtRestructuringStatusChange	0	USD
CY2018Q2	bhlb	Financing Receivable Troubled Debt Restructuring Status Change FinancingReceivableTroubledDebtRestructuringStatusChange	0	USD
CY2019Q2	bhlb	Financing Receivable Troubled Debt Restructuring Other Increase Decrease FinancingReceivableTroubledDebtRestructuringOtherIncreaseDecrease	0	USD
CY2018Q2	bhlb	Financing Receivable Troubled Debt Restructuring Other Increase Decrease FinancingReceivableTroubledDebtRestructuringOtherIncreaseDecrease	-7088000	USD
CY2019Q2	bhlb	Financing Receivable Troubled Debt Restructuring Additions FinancingReceivableTroubledDebtRestructuringAdditions	279000	USD
CY2018Q2	bhlb	Financing Receivable Troubled Debt Restructuring Additions FinancingReceivableTroubledDebtRestructuringAdditions	0	USD
CY2019Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	25089000	USD
CY2018Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	33506000	USD
CY2018Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	27415000	USD
CY2017Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	41990000	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Principal Payments FinancingReceivableTroubledDebtRestructuringPrincipalPayments	1788000	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Principal Payments FinancingReceivableTroubledDebtRestructuringPrincipalPayments	3150000	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Status Change FinancingReceivableTroubledDebtRestructuringStatusChange	0	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Status Change FinancingReceivableTroubledDebtRestructuringStatusChange	0	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Other Increase Decrease FinancingReceivableTroubledDebtRestructuringOtherIncreaseDecrease	-1155000	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Other Increase Decrease FinancingReceivableTroubledDebtRestructuringOtherIncreaseDecrease	-7376000	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Additions FinancingReceivableTroubledDebtRestructuringAdditions	617000	USD
	bhlb	Financing Receivable Troubled Debt Restructuring Additions FinancingReceivableTroubledDebtRestructuringAdditions	2042000	USD
CY2019Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	25089000	USD
CY2018Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	33506000	USD
CY2019Q2	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	888791000	USD
CY2018Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	719689000	USD
CY2019Q2	bhlb	Time Deposits100000 Through25000 TimeDeposits100000Through25000	2221209000	USD
CY2018Q4	bhlb	Time Deposits100000 Through25000 TimeDeposits100000Through25000	2060500000	USD
CY2019Q2	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	971398000	USD
CY2018Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	507528000	USD
CY2019Q2	us-gaap	Time Deposits TimeDeposits	4081398000	USD
CY2018Q4	us-gaap	Time Deposits TimeDeposits	3287717000	USD
CY2019Q2	bhlb	Brokered Time Deposits BrokeredTimeDeposits	1600000000	USD
CY2018Q4	bhlb	Brokered Time Deposits BrokeredTimeDeposits	1400000000	USD
CY2019Q2	bhlb	Reciprocal Money Market Deposits ReciprocalMoneyMarketDeposits	94600000	USD
CY2018Q4	bhlb	Reciprocal Money Market Deposits ReciprocalMoneyMarketDeposits	84400000	USD
CY2019Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	608928000	USD
CY2019Q2	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0265
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	1118832000	USD
CY2018Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0258
CY2019Q2	us-gaap	Long Term Debt LongTermDebt	392813000	USD
CY2019Q2	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.0334
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	398984000	USD
CY2018Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.0316
CY2019Q2	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1001741000	USD
CY2019Q2	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0292
CY2018Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1517816000	USD
CY2018Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0273
CY2019Q2	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	3000000.0	USD
CY2019Q2	invest	Derivative Notional Amount DerivativeNotionalAmount	4400000000	USD
CY2019Q2	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	78900000	USD
CY2019Q2	bhlb	Derivative Securities Pledged As Collateral Amortized Cost DerivativeSecuritiesPledgedAsCollateralAmortizedCost	12000000.0	USD
CY2019Q2	us-gaap	Financial Instruments Owned And Pledged As Collateral At Fair Value FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue	12000000.0	USD
CY2019Q2	invest	Derivative Notional Amount DerivativeNotionalAmount	4422594000	USD
CY2019Q2	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	4826000	USD
CY2018Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	3303570000	USD
CY2018Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	1680000	USD
CY2019Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0336
CY2019Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0500
CY2019Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y7M6D
CY2019Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y6M
CY2019Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	80591000	USD
CY2019Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	7981000	USD
CY2019Q2	bhlb	Lease Rightof Use Asset LeaseRightofUseAsset	88572000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	85045000	USD
CY2019Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	11123000	USD
CY2019Q2	bhlb	Lease Liability LeaseLiability	96168000	USD
CY2019Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	3600000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	7000000.0	USD
CY2019Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	3657000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	7155000	USD
CY2019Q2	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	159000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	318000	USD
CY2019Q2	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	98000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	196000	USD
CY2019Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8052000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	87641000	USD
CY2019Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	7130000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	101289000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	508000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	13403000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1031000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	12157000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1031000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	10981000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1031000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	9048000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	1037000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	48570000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	11296000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	15934000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	16244000	USD
CY2019Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	4811000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	85045000	USD
CY2019Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	11123000	USD
CY2019Q2	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.129
CY2018Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.130
CY2019Q2	bhlb	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.114
CY2018Q4	bhlb	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.114
CY2019Q2	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.116
CY2018Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.116
CY2019Q2	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.097
CY2018Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.090
CY2019Q2	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	19108000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	4901000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14207000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-7840000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-2001000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5839000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	33323000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	8552000	USD
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	46212000	shares
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2000000.0	USD
CY2019Q2	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	754000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	788000	shares
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	857000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	24771000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-27002000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-6932000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20070000	USD
	bhlb	Total Change To Aoci Before Tax Attributable To Parent TotalChangeToAOCIBeforeTaxAttributableToParent	-35381000	USD
	bhlb	Total Change To Aoci Tax Attributable To Parent TotalChangeToAOCITaxAttributableToParent	-9954000	USD
	bhlb	Total Change To Aoci Net Of Tax Attributable To Parent TotalChangeToAOCINetOfTaxAttributableToParent	-25427000	USD
CY2019Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	14206000	USD
CY2019Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-1000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14207000	USD
CY2018Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-5838000	USD
CY2018Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	1000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5839000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	24774000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	3000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	24771000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-20069000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	1000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20070000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	23954000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	33711000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	48226000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	59082000	USD
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1494000	USD
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	320000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	197000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	25448000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
	us-gaap	Net Income Loss NetIncomeLoss	49083000	USD
	us-gaap	Net Income Loss NetIncomeLoss	59279000	USD
CY2019Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	49026000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	46212000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	47627000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	354000	shares
	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	736000	shares
	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	828000	shares
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2800000	USD
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.29
CY2019Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.03
CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.01
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.03
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.29
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.49
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.73
CY2018Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	435000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	384000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	428000	shares
CY2019Q2	bhlb	Weighted Average Numberof Shares Outstanding Preferred Stock WeightedAverageNumberofSharesOutstandingPreferredStock	1043000	shares
CY2018Q2	bhlb	Weighted Average Numberof Shares Outstanding Preferred Stock WeightedAverageNumberofSharesOutstandingPreferredStock	1043000	shares
	bhlb	Weighted Average Numberof Shares Outstanding Preferred Stock WeightedAverageNumberofSharesOutstandingPreferredStock	1043000	shares
	bhlb	Weighted Average Numberof Shares Outstanding Preferred Stock WeightedAverageNumberofSharesOutstandingPreferredStock	1043000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48961000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46032000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47550000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45999000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49114000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46215000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	47700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46206000	shares
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.49
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.73
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.01
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.01
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.28
CY2019Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.03
CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.01
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.28
CY2019Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1000000.0	USD
CY2018Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1400000	USD
	bhlb	Investment Portfolio Number Of Securities InvestmentPortfolioNumberOfSecurities	1	security
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	91595000	USD
CY2018Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	90292000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	177054000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	175049000	USD
CY2019Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3467000	USD
CY2018Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6532000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	7468000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	12107000	USD
CY2019Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	88128000	USD
CY2018Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	83760000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	169586000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	162942000	USD

Files In Submission

Name	View Source	Status
0001108134-19-000011-index-headers.html	Edgar Link	pending
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0001108134-19-000011.txt	Edgar Link	pending
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$BHLB
BERKSHIRE HILLS BANCORP INC Stock $bhlb

2019 Q2 Form 10-Q Financial Statement

#000110813419000011 Filed on August 09, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BHLB BERKSHIRE HILLS BANCORP INC Stock $bhlb

2019 Q2 Form 10-Q Financial Statement

#000110813419000011 Filed on August 09, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BHLB
BERKSHIRE HILLS BANCORP INC Stock $bhlb