Business Segments - Summary of Segment Reporting Information by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	[1]
INTEREST INCOME
Interest income	$ 26,243	$ 33,812	$ 52,045	$ 56,388
Interest expense	2,153	3,350	4,287	5,909
Net interest income	24,090	30,462	47,758	50,479
Provision for loan losses	7,494	0	9,994	0
Net interest income after provision for loan losses	16,596	30,462	37,764	50,479
NONINTEREST INCOME
Residential mortgage banking income, net	4,386	7,254	7,207	16,555
Mortgage servicing rights	1,574	1,707	8,312	5,078
Gain on sale of guaranteed government loans	1,538	143	2,965	1,217
Service Charges On Deposit Accounts	327	370	642	697
Increase in cash surrender value of bank owned life insurance	276	237	548	401
Total noninterest income	10,190	36,212	34,284	51,751
NONINTEREST EXPENSE
Salaries and employee benefits	15,873	17,539	29,969	31,442
Other operating expenses	9,453	12,727	18,046	29,060
Total noninterest expenses	25,326	30,266	48,015	60,502
Income from continuing operations before income tax expense	1,460	36,408	24,033	41,728
Income tax expense	342	7,715	5,495	8,792
Net income from continuing operations	1,118	28,693	18,538	32,936
Discontinued Operations
Income from discontinued operations before income taxes	0	(65)	426	(72)
Income tax expense	0	(14)	89	(15)
Net (loss) income from discontinued operations	0	(51)	337	(57)
Net income (loss)	1,118	28,642	18,875	32,879
Net (Income) loss from discontinued operations attributable to noncontrolling interest	0	4	(1)	(5)
Net income (loss) attributable to Blue Ridge Bankshares, Inc.	1,118	28,646	18,874	32,874
Total assets	2,799,643	2,764,730	2,799,643	2,764,730	$ 2,665,139
Other Income [Member]
NONINTEREST INCOME
Other income	2,089	26,501	14,610	27,803
Commercial Banking [Member]
INTEREST INCOME
Interest income	25,725	32,775	50,908	54,482
Interest expense	1,402	2,425	2,948	4,296
Net interest income	24,323	30,350	47,960	50,186
Provision for loan losses	7,494	0	9,994	0
Net interest income after provision for loan losses	16,829	30,350	37,966	50,186
NONINTEREST INCOME
Residential mortgage banking income, net	0	0	0	0
Mortgage servicing rights	(25)	0	176	0
Gain on sale of guaranteed government loans	1,538	143	2,965	1,217
Service Charges On Deposit Accounts	327	370	642	697
Increase in cash surrender value of bank owned life insurance	276	237	548	401
Total noninterest income	4,573	26,662	9,965	29,502
NONINTEREST EXPENSE
Salaries and employee benefits	10,916	10,857	20,005	16,492
Other operating expenses	8,506	9,878	15,087	23,015
Total noninterest expenses	19,422	20,735	35,092	39,507
Income from continuing operations before income tax expense	1,980	36,277	12,839	40,181
Income tax expense	389	7,662	3,295	8,425
Net income from continuing operations	1,591	28,615	9,544	31,756
Discontinued Operations
Income from discontinued operations before income taxes	0	(65)	426	(72)
Income tax expense	0	(14)	89	(15)
Net (loss) income from discontinued operations	0	(51)	337	(57)
Net income (loss)	1,591	28,564	9,881	31,699
Net (Income) loss from discontinued operations attributable to noncontrolling interest	0	4	(1)	(5)
Net income (loss) attributable to Blue Ridge Bankshares, Inc.	1,591	28,568	9,880	31,694
Total assets	2,712,209	2,577,730	2,712,209	2,577,730
Commercial Banking [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	2,457	25,912	5,634	27,187
Mortgage Banking [Member]
INTEREST INCOME
Interest income	337	1,010	928	1,830
Interest expense	93	57	128	115
Net interest income	244	953	800	1,715
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	244	953	800	1,715
NONINTEREST INCOME
Residential mortgage banking income, net	4,386	7,254	7,207	16,555
Mortgage servicing rights	1,599	1,707	8,136	5,078
Gain on sale of guaranteed government loans	0	0	0	0
Service Charges On Deposit Accounts	0	0	0	0
Increase in cash surrender value of bank owned life insurance	0	0	0	0
Total noninterest income	5,985	8,961	15,343	21,633
NONINTEREST EXPENSE
Salaries and employee benefits	4,957	6,682	9,964	14,950
Other operating expenses	761	2,256	2,697	4,437
Total noninterest expenses	5,718	8,938	12,661	19,387
Income from continuing operations before income tax expense	511	976	3,482	3,961
Income tax expense	108	212	732	817
Net income from continuing operations	403	764	2,750	3,144
Discontinued Operations
Income from discontinued operations before income taxes	0	0	0	0
Income tax expense	0	0	0	0
Net (loss) income from discontinued operations	0	0	0	0
Net income (loss)	403	764	2,750	3,144
Net (Income) loss from discontinued operations attributable to noncontrolling interest	0	0	0	0
Net income (loss) attributable to Blue Ridge Bankshares, Inc.	403	764	2,750	3,144
Total assets	55,335	173,581	55,335	173,581
Mortgage Banking [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	0	0	0	0
Parents Only [Member]
INTEREST INCOME
Interest income	181	27	209	76
Interest expense	658	868	1,211	1,498
Net interest income	(477)	(841)	(1,002)	(1,422)
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	(477)	(841)	(1,002)	(1,422)
NONINTEREST INCOME
Residential mortgage banking income, net	0	0	0	0
Mortgage servicing rights	0	0	0	0
Gain on sale of guaranteed government loans	0	0	0	0
Service Charges On Deposit Accounts	0	0	0	0
Increase in cash surrender value of bank owned life insurance	0	0	0	0
Total noninterest income	(173)	651	9,253	703
NONINTEREST EXPENSE
Salaries and employee benefits	0	0	0	0
Other operating expenses	381	655	539	1,695
Total noninterest expenses	381	655	539	1,695
Income from continuing operations before income tax expense	(1,031)	(845)	7,712	(2,414)
Income tax expense	(155)	(159)	1,468	(450)
Net income from continuing operations	(876)	(686)	6,244	(1,964)
Discontinued Operations
Income from discontinued operations before income taxes	0	0	0	0
Income tax expense	0	0	0	0
Net (loss) income from discontinued operations	0	0	0	0
Net income (loss)	(876)	(686)	6,244	(1,964)
Net (Income) loss from discontinued operations attributable to noncontrolling interest	0	0	0	0
Net income (loss) attributable to Blue Ridge Bankshares, Inc.	(876)	(686)	6,244	(1,964)
Total assets	316,891	313,213	316,891	313,213
Parents Only [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	(173)	651	9,253	703
Eliminations [Member]
INTEREST INCOME
Interest income	0	0	0	0
Interest expense	0	0	0	0
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	0	0	0	0
NONINTEREST INCOME
Residential mortgage banking income, net	0	0	0	0
Mortgage servicing rights	0	0	0	0
Gain on sale of guaranteed government loans	0	0	0	0
Service Charges On Deposit Accounts	0	0	0	0
Increase in cash surrender value of bank owned life insurance	0	0	0	0
Total noninterest income	(195)	(62)	(277)	(87)
NONINTEREST EXPENSE
Salaries and employee benefits	0	0	0	0
Other operating expenses	(195)	(62)	(277)	(87)
Total noninterest expenses	(195)	(62)	(277)	(87)
Income from continuing operations before income tax expense	0	0	0	0
Income tax expense	0	0	0	0
Net income from continuing operations	0	0	0	0
Discontinued Operations
Income from discontinued operations before income taxes	0	0	0	0
Income tax expense	0	0	0	0
Net (loss) income from discontinued operations	0	0	0	0
Net income (loss)	0	0	0	0
Net (Income) loss from discontinued operations attributable to noncontrolling interest	0	0	0	0
Net income (loss) attributable to Blue Ridge Bankshares, Inc.	0	0	0	0
Total assets	(284,792)	(299,794)	(284,792)	(299,794)
Eliminations [Member] | Other Income [Member]
NONINTEREST INCOME
Other income	$ (195)	$ (62)	$ (277)	$ (87)

[1] Derived from audited December 31, 2021 Consolidated Financial Statements.