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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Represents the period of contractually past due loans, to be considered as payment default following the modification.

No definition available.

Name:	bdge_FinancingReceivablesPeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault
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Represents the amount of performing troubled debt restructured loans that are current and secured with collateral.

No definition available.

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Namespace Prefix:	bdge_
Data Type:	xbrli:monetaryItemType
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Represents the amount of troubled debt restructured loans that are on nonaccrual status as of the balance sheet date.

No definition available.

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Namespace Prefix:	bdge_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

n/a

No definition available.

Name:	bdge_TroubledDebtRestructuringsAbstract
Namespace Prefix:	bdge_
Data Type:	xbrli:stringItemType
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Number of financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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Period Type:	duration

Amount, after troubled debt restructuring, of modified financing receivable.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Reflects the amount of the write-down related to a troubled debt restructuring.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

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

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

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=bdge_CommercialFinancialAndAgriculturalPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: