Represents balance of financing receivables that were acquired with deteriorated credit quality.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

+ Details

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Period Type:	instant

- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

+ Details

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

- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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

- References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
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Data Type:	na
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- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_MortgageReceivablesMember
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Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=bdge_ResidentialRealEstatePortfolioSegmentMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=bdge_RealEstateConstructionAndLandLoansPortfolioSegmentMember
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Data Type:	na
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Period Type:

- Details

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ALLOWANCE FOR LOAN LOSSES (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Allowance for Loan Losses:
Individually evaluated for impairment	$ 301		$ 29
Collectively evaluated for impairment	24,007		20,715
Loans acquired with deteriorated credit quality
Total Allowance for Loan Losses	24,308	$ 22,708	20,744	$ 20,187	$ 18,818	$ 17,637
Loans:
Individually evaluated for impairment	3,838		2,591
Collectively evaluated for impairment	2,568,547		2,387,815
Loans acquired with deteriorated credit quality	9,964		17,116
Total Loans	2,582,349		2,407,522
Commercial Real Estate \| Mortgage loans
Allowance for Loan Losses:
Individually evaluated for impairment			20
Collectively evaluated for impairment	7,750		7,830
Loans acquired with deteriorated credit quality
Total Allowance for Loan Losses	7,750	7,632	7,850	7,643	7,166	6,994
Loans:
Individually evaluated for impairment	1,562		1,629
Collectively evaluated for impairment	1,009,208		992,137
Loans acquired with deteriorated credit quality	1,905		5,708
Total Loans	1,012,675		999,474
Multi-Family \| Mortgage loans
Allowance for Loan Losses:
Individually evaluated for impairment
Collectively evaluated for impairment	6,580		4,208
Loans acquired with deteriorated credit quality
Total Allowance for Loan Losses	6,580	5,287	4,208	3,098	3,015	2,670
Loans:
Individually evaluated for impairment
Collectively evaluated for impairment	513,810		347,054
Loans acquired with deteriorated credit quality	3,309		3,739
Total Loans	517,119		350,793
Residential Real Estate \| Mortgage loans
Allowance for Loan Losses:
Individually evaluated for impairment
Collectively evaluated for impairment	2,741		2,115
Loans acquired with deteriorated credit quality
Total Allowance for Loan Losses	2,741	2,753	2,115	2,004	1,989	2,208
Loans:
Individually evaluated for impairment	1,210		672
Collectively evaluated for impairment	448,196		444,801
Loans acquired with deteriorated credit quality	862		1,267
Total Loans	450,268		446,740
Commercial, Industrial and Agricultural Loans
Allowance for Loan Losses:
Individually evaluated for impairment	301		9
Collectively evaluated for impairment	5,906		5,396
Loans acquired with deteriorated credit quality
Total Allowance for Loan Losses	6,207	5,771	5,405	5,896	5,273	4,526
Loans:
Individually evaluated for impairment	1,066		290
Collectively evaluated for impairment	503,624		495,074
Loans acquired with deteriorated credit quality	3,888		6,402
Total Loans	508,578		501,766
Real Estate Construction and Land Loans
Allowance for Loan Losses:
Individually evaluated for impairment
Collectively evaluated for impairment	912		1,030
Loans acquired with deteriorated credit quality
Total Allowance for Loan Losses	912	1,131	1,030	1,361	1,236	1,104
Loans:
Individually evaluated for impairment
Collectively evaluated for impairment	78,211		91,153
Loans acquired with deteriorated credit quality
Total Loans	78,211		91,153
Installment/Consumer Loans
Allowance for Loan Losses:
Individually evaluated for impairment
Collectively evaluated for impairment	118		136
Loans acquired with deteriorated credit quality
Total Allowance for Loan Losses	118	$ 134	136	$ 185	$ 139	$ 135
Loans:
Individually evaluated for impairment
Collectively evaluated for impairment	15,498		17,596
Loans acquired with deteriorated credit quality
Total Loans	$ 15,498		$ 17,596