XML 59 R50.htm IDEA: XBRL DOCUMENT
v3.22.1

Loans and Allowance for Loan Losses - Summary of Investment of PCI Loans (Detail) - Real Estate [Member] - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
30-89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | $ 146 | $ 147
30-89 Days Past Due [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
30-89 Days Past Due [Member] | Construction, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
30-89 Days Past Due [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
30-89 Days Past Due [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 146 | 147
30-89 Days Past Due [Member] | Consumer [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
Greater than 90 Days Past Due & Accruing [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 4
Greater than 90 Days Past Due & Accruing [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
Greater than 90 Days Past Due & Accruing [Member] | Construction, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
Greater than 90 Days Past Due & Accruing [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
Greater than 90 Days Past Due & Accruing [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 0
Greater than 90 Days Past Due & Accruing [Member] | Consumer [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 0 | 4
Current [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 57,695 | 83,878
Current [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 6,471 | 8,903
Current [Member] | Construction, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 1,196 | 14,754
Current [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 42,031 | 51,872
Current [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 7,407 | 7,474
Current [Member] | Consumer [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 590 | 875
Total Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 57,841 | 84,029
Total Loans [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 6,471 | 8,903
Total Loans [Member] | Construction, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 1,196 | 14,754
Total Loans [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 42,031 | 51,872
Total Loans [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | 7,553 | 7,621
Total Loans [Member] | Consumer [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Purchase loans | $ 590 | $ 879

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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase from purchase of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 11 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableSignificantPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=brbs_FinancingReceivables30To89DaysPastDueMember
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_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=brbs_CommercialConstructionMember
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: |

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

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=brbs_TotalLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |