Business Segments - Summary of Segment Reporting Information by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	[1]
INTEREST INCOME
Interest income	$ 43,053	$ 25,802
Interest expense	15,694	2,134
Net interest income	27,359	23,668
Provision for credit losses	3,700	2,500
Net interest income after provision for credit losses	23,659	21,168
NONINTEREST INCOME
Residential mortgage banking income, including MSRs	1,303	9,559
Residential Mortgage Banking Income including Mortgage servicing rights	1,303	9,559
Gain on sale of guaranteed government loans	2,409	1,427
Service Charges On Deposit Accounts	343	315
Increase in cash surrender value of bank owned life insurance	282	272
Total noninterest income	7,283	24,094
NONINTEREST EXPENSE
Salaries and employee benefits	15,289	14,096
Other operating expenses	13,558	8,593
Total noninterest expenses	28,847	22,689
Income (loss) from continuing operations before income tax expense	2,095	22,573
Income tax expense (benefit)	491	5,153
Net income from continuing operations	1,604	17,420
Discontinued Operations
Income from discontinued operations before income taxes	0	426
Income tax expense	0	89
Net income from discontinued operations	0	337
Net income	1,604	17,757
Net Income from discontinued operations attributable to noncontrolling interest	0	(1)
Net income attributable to Blue Ridge Bankshares, Inc.	1,604	17,756
Total assets	3,334,911	2,724,584	$ 3,141,045
Other Income [Member]
NONINTEREST INCOME
Other income	2,946	12,521
Commercial Banking [Member]
INTEREST INCOME
Interest income	42,742	25,183
Interest expense	15,002	1,546
Net interest income	27,740	23,637
Provision for credit losses	3,700	2,500
Net interest income after provision for credit losses	24,040	21,137
NONINTEREST INCOME
Residential Mortgage Banking Income including Mortgage servicing rights	0	0
Gain on sale of guaranteed government loans	2,409	1,427
Service Charges On Deposit Accounts	343	315
Increase in cash surrender value of bank owned life insurance	282	272
Total noninterest income	6,122	5,191
NONINTEREST EXPENSE
Salaries and employee benefits	12,628	9,089
Other operating expenses	11,210	6,581
Total noninterest expenses	23,838	15,670
Income (loss) from continuing operations before income tax expense	6,324	10,658
Income tax expense (benefit)	1,400	2,906
Net income from continuing operations		7,752
Discontinued Operations
Income from discontinued operations before income taxes		426
Income tax expense		89
Net income from discontinued operations		337
Net income	4,924	8,089
Net Income from discontinued operations attributable to noncontrolling interest		(1)
Net income attributable to Blue Ridge Bankshares, Inc.		8,088
Total assets	3,270,452	2,628,323
Commercial Banking [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	3,088	3,177
Mortgage Banking [Member]
INTEREST INCOME
Interest income	305	591
Interest expense	139	35
Net interest income	166	556
Provision for credit losses	0	0
Net interest income after provision for credit losses	166	556
NONINTEREST INCOME
Residential Mortgage Banking Income including Mortgage servicing rights	1,303	9,559
Gain on sale of guaranteed government loans	0	0
Service Charges On Deposit Accounts	0	0
Increase in cash surrender value of bank owned life insurance	0	0
Total noninterest income	1,303	9,559
NONINTEREST EXPENSE
Salaries and employee benefits	2,661	5,007
Other operating expenses	1,485	1,936
Total noninterest expenses	4,146	6,943
Income (loss) from continuing operations before income tax expense	(2,677)	3,172
Income tax expense (benefit)	(583)	624
Net income from continuing operations		2,548
Discontinued Operations
Income from discontinued operations before income taxes		0
Income tax expense		0
Net income from discontinued operations		0
Net income	(2,094)	2,548
Net Income from discontinued operations attributable to noncontrolling interest		0
Net income attributable to Blue Ridge Bankshares, Inc.		2,548
Total assets	34,083	64,419
Mortgage Banking [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	0	0
Parents Only [Member]
INTEREST INCOME
Interest income	6	28
Interest expense	553	553
Net interest income	(547)	(525)
Provision for credit losses	0	0
Net interest income after provision for credit losses	(547)	(525)
NONINTEREST INCOME
Residential Mortgage Banking Income including Mortgage servicing rights	0	0
Gain on sale of guaranteed government loans	0	0
Service Charges On Deposit Accounts	0	0
Increase in cash surrender value of bank owned life insurance	0	0
Total noninterest income	(43)	9,426
NONINTEREST EXPENSE
Salaries and employee benefits	0	0
Other operating expenses	962	158
Total noninterest expenses	962	158
Income (loss) from continuing operations before income tax expense	(1,552)	8,743
Income tax expense (benefit)	(326)	1,623
Net income from continuing operations		7,120
Discontinued Operations
Income from discontinued operations before income taxes		0
Income tax expense		0
Net income from discontinued operations		0
Net income	(1,226)	7,120
Net Income from discontinued operations attributable to noncontrolling interest		0
Net income attributable to Blue Ridge Bankshares, Inc.		7,120
Total assets	299,450	334,424
Parents Only [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	(43)	9,426
Eliminations [Member]
INTEREST INCOME
Interest income	0	0
Interest expense	0	0
Net interest income	0	0
Provision for credit losses	0	0
Net interest income after provision for credit losses	0	0
NONINTEREST INCOME
Residential Mortgage Banking Income including Mortgage servicing rights	0	0
Gain on sale of guaranteed government loans	0	0
Service Charges On Deposit Accounts	0	0
Increase in cash surrender value of bank owned life insurance	0	0
Total noninterest income	(99)	(82)
NONINTEREST EXPENSE
Salaries and employee benefits	0	0
Other operating expenses	(99)	(82)
Total noninterest expenses	(99)	(82)
Income (loss) from continuing operations before income tax expense	0	0
Income tax expense (benefit)	0	0
Net income from continuing operations		0
Discontinued Operations
Income tax expense		0
Net income from discontinued operations		0
Net income	0	0
Net Income from discontinued operations attributable to noncontrolling interest		0
Net income attributable to Blue Ridge Bankshares, Inc.		0
Total assets	(269,074)	(302,582)
Eliminations [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	$ (99)	$ (82)

[1] Derived from audited December 31, 2022 Consolidated Financial Statements.