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NET FRAUD LOSS (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2018
NET FRAUD LOSS |  |
Net fraud loss | $ 9,500 | $ 8,900

X
- Definition n/a + References No definition available. + Details
Name: | bdge_FraudLossAbstract
Namespace Prefix: | bdge_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents non-interest expense items related to fraud loss. + References No definition available. + Details
Name: | bdge_NoninterestExpenseFraudLoss
Namespace Prefix: | bdge_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration