XML 85 R66.htm IDEA: XBRL DOCUMENT
v3.21.1

Loans and Allowance for Loan Losses - Summary of Past Due Loan Portfolio Relates to Certain High-Risk Industries Impacted by COVID-19 (Detail) - High-Risk Industries [Member] - COVID-19 [Member] $ in Thousands | Dec. 31, 2020 USD ($) Borrower
--- | ---
Financing Receivable, Past Due [Line Items] |
Number of Borrowers | Borrower | 88
Loans past due | $ | $ 57,767
Hotels and Motels [Member] |
Financing Receivable, Past Due [Line Items] |
Number of Borrowers | Borrower | 15
Loans past due | $ | $ 34,617
Bed and Breakfasts [Member] |
Financing Receivable, Past Due [Line Items] |
Number of Borrowers | Borrower | 5
Loans past due | $ | $ 2,739
All Other Traveler Accommodations [Member] |
Financing Receivable, Past Due [Line Items] |
Number of Borrowers | Borrower | 5
Loans past due | $ | $ 4,392
Full-Service Restaurants [Member] |
Financing Receivable, Past Due [Line Items] |
Number of Borrowers | Borrower | 15
Loans past due | $ | $ 4,202
Limited-Service Restaurants [Member] |
Financing Receivable, Past Due [Line Items] |
Number of Borrowers | Borrower | 12
Loans past due | $ | $ 4,737
Religious Organizations [Member] |
Financing Receivable, Past Due [Line Items] |
Number of Borrowers | Borrower | 36
Loans past due | $ | $ 7,080

X
- Definition Number of borrower. + References No definition available. + Details
Name: | brbs_NumberOfBorrower
Namespace Prefix: | brbs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of financing receivable past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_UnusualOrInfrequentItemAxis=brbs_COVID19PandemicMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=brbs_HotelsAndMotelsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=brbs_BedAndBreakfastsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=brbs_AllOtherTravelerAccommodationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=brbs_FullServiceRestaurantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=brbs_LimitedServiceRestaurantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=brbs_ReligiousOrganizationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |