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EARNINGS PER SHARE (Parentheticals) (Details) | 12 Months Ended
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Dec. 31, 2017
EARNINGS PER SHARE |
Interest on trust preferred securities | 8.50%

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- Definition Represents interest on trust preferred securities. + References No definition available. + Details
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Namespace Prefix: | bdge_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration