Weighted average payment amount

No definition available.

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Namespace Prefix:	brbs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- 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

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Loans and ACL - Summary of financial effects of TLMs (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Commercial And Industrial [Member] \| Extended Maturity [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted Average Term Extension	20 months	76 months	20 months	65 months
Commercial And Industrial [Member] \| Interest Rate Below Market Reduction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted Average Interest Rate Reduction	0.00%	12.24%	0.00%	11.28%
Commercial And Industrial [Member] \| Payment Deferral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount	$ 0	$ 6	$ 0	$ 10
Commercial And Industrial [Member] \| Interest Forgiveness [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount	$ 0	$ 0	$ 0	$ 0
Consumer Loans [Member] \| Interest Rate Below Market Reduction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted Average Interest Rate Reduction		0.00%		0.00%
Consumer Loans [Member] \| Payment Deferral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount		$ 1		$ 1
Consumer Loans [Member] \| Interest Forgiveness [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount		$ 0		$ 0
Real Estate Loan [Member] \| Commercial [Member] \| Extended Maturity [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted Average Term Extension	13 months		13 months	84 months
Real Estate Loan [Member] \| Commercial [Member] \| Interest Rate Below Market Reduction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted Average Interest Rate Reduction	0.00%		0.00%	0.00%
Real Estate Loan [Member] \| Commercial [Member] \| Payment Deferral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount	$ 0		$ 0	$ 0
Real Estate Loan [Member] \| Commercial [Member] \| Interest Forgiveness [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount	$ 0		$ 0	$ 0
Real Estate Loan [Member] \| Residential [Member] \| Extended Maturity [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted Average Term Extension	15 months	84 months	15 months	84 months
Real Estate Loan [Member] \| Residential [Member] \| Interest Rate Below Market Reduction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted Average Interest Rate Reduction	0.00%	0.00%	0.00%	0.00%
Real Estate Loan [Member] \| Residential [Member] \| Payment Deferral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount	$ 0	$ 162	$ 0	$ 162
Real Estate Loan [Member] \| Residential [Member] \| Interest Forgiveness [Member]
Loans and Leases Receivable Disclosure [Line Items]
Weighted average payment amount	$ 0	$ 0	$ 45	$ 0