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v3.22.4

Organization and Basis of Presentation (Additional Information) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($)
Revision of Prior Period, Reclassification, Adjustment [Member] |
Organization And Basis Of Presentation [Line Items] |
Decrease in noninterest-bearing demand deposits | $ 20.3

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- Definition Decrease in Noninterest Bearing Demand deposits + References No definition available. + Details
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Period Type: | duration

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- Definition Organization and basis of presentation. + References No definition available. + Details
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Namespace Prefix: | brbs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |