XML 51 R45.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Loans and ACL - Summary of Amortized Cost of Collateral Dependent Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Loans and Leases Receivable Disclosure [Line Items] |  |
Amortized cost of collateral dependent loans | $ 91,599 | $ 96,905
Commercial and Industrial [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Amortized cost of collateral dependent loans | 62,905 | 67,555
Real Estate [Member] | Commercial and Industrial [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Amortized cost of collateral dependent loans | 5,719 | 6,309
Real Estate [Member] | Construction, Residential [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Amortized cost of collateral dependent loans |  | 2,303
Real Estate [Member] | Commercial [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Amortized cost of collateral dependent loans | 14,285 | 13,401
Real Estate [Member] | Residential [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Amortized cost of collateral dependent loans | $ 8,690 | $ 7,337

X
- Definition Amortized cost of collateral dependent loans + References No definition available. + Details
Name: | brbs_AmortizedCostOfCollateralDependentLoans
Namespace Prefix: | brbs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LoansAndLeasesReceivableDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=brbs_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=brbs_ResidentialConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=brbs_CommercialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=brbs_ResidentialMortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |