XML 166 R136.htm IDEA: XBRL DOCUMENT v3.22.4

FAIR VALUE MEASUREMENTS - Schedule of Significant Unobservable Inputs for Non-recurring Assets (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	$ 16,700	$ 16,600
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for sale	3,369	0
Non-recurring | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans	14,571	12,482
Loans held for sale	3,369
Capitalized servicing rights	11,201	14,056
Total Assets	29,141	26,538
Non-recurring | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans	14,571	$ 12,482
Loans held for sale	$ 3,369
Non-recurring | Appraised value | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, Measurement input	3,369
Non-recurring | Minimum | Discounted Cash Flow- Loss Severity | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated impaired loans, unobservable inputs, range	(1.0000)	(0.3596)
Non-recurring | Minimum | Appraised value | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated impaired loans, unobservable inputs, range	0	0
Non-recurring | Maximum | Discounted Cash Flow- Loss Severity | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated impaired loans, unobservable inputs, range	0.7474	1.3309
Non-recurring | Maximum | Appraised value | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated impaired loans, unobservable inputs, range	2,160	405
Non-recurring | Weighted Average | Discounted Cash Flow- Loss Severity | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated impaired loans, unobservable inputs, range	(0.4002)	0.4914
Non-recurring | Weighted Average | Appraised value | Fair value of collateral | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated impaired loans, unobservable inputs, range	643	256
Non-recurring | Capitalized servicing rights | Discounted cash flow | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	$ 11,201	$ 14,056
Non-recurring | Capitalized servicing rights | Minimum | Constant prepayment rate (CPR) | Discounted cash flow | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	0.0581	0.0624
Non-recurring | Capitalized servicing rights | Minimum | Discount rate | Discounted cash flow | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	0.0959	0.0959
Non-recurring | Capitalized servicing rights | Maximum | Constant prepayment rate (CPR) | Discounted cash flow | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	0.1318	0.1773
Non-recurring | Capitalized servicing rights | Maximum | Discount rate | Discounted cash flow | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	0.2270	0.1311
Non-recurring | Capitalized servicing rights | Weighted Average | Constant prepayment rate (CPR) | Discounted cash flow | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	(0.1094)	0.1329
Non-recurring | Capitalized servicing rights | Weighted Average | Discount rate | Discounted cash flow | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Capitalized servicing rights	0.1683	0.1197

X

- Definition

Impaired Financing Receivables, Measurement Input

+ References

No definition available.

+ Details

Name:	bhlb_ImpairedFinancingReceivablesMeasurementInput
Namespace Prefix:	bhlb_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Represents the amount of impaired loans assets reported on the balance sheet at period end measured at fair value by the entity.

+ References

No definition available.

+ Details

Name:	bhlb_ImpairedLoansFairValueDisclosure
Namespace Prefix:	bhlb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

+ Details

Name:	us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Value of input used to measure loan, held for sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_LoansHeldForSaleMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

+ Details

Name:	us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Value of input used to measure servicing asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_ServicingAssetMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ValuationTechniqueAxis=bhlb_FairValueOfCollateralValuationTechniqueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputAppraisedValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputLossSeverityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=bhlb_CapitalizedMortgageServicingRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ValuationTechniqueAxis=us-gaap_ValuationTechniqueDiscountedCashFlowMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputConstantPrepaymentRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: