Name:	bdge_FinancingReceivablePostModificationOtherThanTroubledDebtRestructuringRecordedInvestment
Namespace Prefix:	bdge_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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
Namespace Prefix:	bdge_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

Name:	bdge_FinancingReceivablesTroubledDebtRestructuredLoansCurrentAndSecuredAmount
Namespace Prefix:	bdge_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the amount of troubled debt restructured loans that are on nonaccrual status as of the balance sheet date.

No definition available.

Name:	bdge_FinancingReceivablesTroubledDebtRestructuredLoansNonaccrual
Namespace Prefix:	bdge_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the number of loan charge offs relating to troubled debt restructuring.

No definition available.

Name:	bdge_NumberOfLoanChargeOffsRelatingToTroubledDebtRestructurings
Namespace Prefix:	bdge_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of loan portfolio subject to modifications due to the loan moratoriums and forbearance programs.

No definition available.

Name:	bdge_PaymentDeferralProgramPercentageOfLoanPortfolioSubjectToModifications
Namespace Prefix:	bdge_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

n/a

No definition available.

Name:	bdge_TroubledDebtRestructuringsAbstract
Namespace Prefix:	bdge_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount, before troubled debt restructuring, of financing receivable to be modified.

Name:	us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

Name:	us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
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