Represents the average closing stock price of the entity.

No definition available.

Name:	bdge_BusinessAcquisitionAverageClosingStockPrice
Namespace Prefix:	bdge_
Data Type:	num:perShareItemType
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Period Type:	duration

- Definition

The total cost of the acquired entity, or the entity to be acquired, including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount of deposits recognized as of the acquisition date.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount of loans recognized as of the acquisition date.

+ References

No definition available.

+ Details

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

- Definition

Represents the total number of service branches after the acquisition.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_BusinessAcquisitionLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of assets acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

+ Details

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

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Stock Split

-URI http://asc.fasb.org/extlink&oid=6525746

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SAB TOPIC 4.C)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

+ Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=bdge_CommunityNationalBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

BUSINESS COMBINATIONS (Details 2) (USD $)	0 Months Ended
BUSINESS COMBINATIONS (Details 2) (USD $)	Feb. 14, 2014 location	Dec. 14, 2014 location	Dec. 12, 2014
Business combinations
Number of service branches (in branches)	29bdge_NumberOfServiceBranches
CNB
Business combinations
Number of service branches (in branches)		11
Total acquired assets		$ 951,000,000
Loans		761,000,000
Deposits		829,000,000
Closing stock price (in dollars per share)			$ 25.35
Common stock conversion ratio (in shares)		0.79
Value of shares in transaction (in dollars per share)		$ 20.03
Estimated value of the merger transaction		$ 141,000,000