XML 70 R61.htm IDEA: XBRL DOCUMENT
v3.23.1

Borrowings - Schedule of Principal on FHLB Borrowings Maturities (Detail) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |
Balance | $ 239,100
Daily Rate Credit [Member] |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |
Balance | $ 189,100
Originated Date | May 06, 2022
Stated Interest Rate | 5.07%
Maturity Date | May 08, 2023
Fixed Rate Credit [Member] |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |
Balance | $ 50,000
Originated Date | Mar. 15, 2023
Stated Interest Rate | 4.07%
Maturity Date | Mar. 15, 2027

X
- Definition Federal home loan bank advances branch of fhlb bank maturity date. + References No definition available. + Details
Name: | brbs_FederalHomeLoanBankAdvancesBranchOfFhlbBankMaturityDate
Namespace Prefix: | brbs_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal home loan bank advances branch of FHLB bank originated date. + References No definition available. + Details
Name: | brbs_FederalHomeLoanBankAdvancesBranchOfFhlbBankOriginatedDate
Namespace Prefix: | brbs_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64702-112823 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesLongTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=brbs_DailyRateCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=brbs_FixedRateCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |