Business Segments - Summary of Segment Reporting Information by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	[1]
INTEREST INCOME
Interest income	$ 38,973	$ 26,243	$ 82,026	$ 52,045
Interest expense	18,570	2,153	34,264	4,287
Net interest income	20,403	24,090	47,762	47,758
Provision for credit losses	20,500	7,494	24,200	9,994
Net interest (loss) income after provision for credit losses	(97)	16,596	23,562	37,764
NONINTEREST INCOME
Residential mortgage banking income, including MSRs	4,295	5,960	5,598	15,519
Residential Mortgage Banking Income including Mortgage servicing rights	4,295	5,960	5,598	15,519
Gain on sale of guaranteed government loans	2,384	1,538	4,793	2,965
Service Charges On Deposit Accounts	349	327	692	642
Increase in cash surrender value of bank owned life insurance	292	276	574	548
Other income	2,416	2,089	5,362	14,610
Total noninterest income	9,736	10,190	17,019	34,284
NONINTEREST EXPENSE
Salaries and employee benefits	14,518	15,873	29,807	29,969
Other operating expenses	19,534	9,453	33,092	18,046
Total noninterest expense	34,052	25,326	62,899	48,015
Income (loss) from continuing operations before income tax expense	(24,413)	1,460	(22,318)	24,033
Income tax expense (benefit)	(4,949)	342	(4,458)	5,495
Net (loss) income from continuing operations	(19,464)	1,118	(17,860)	18,538
Discontinued Operations
Income from discontinued operations before income taxes	0	0	0	426
Income tax expense	0	0	0	89
Net income from discontinued operations	0	0	0	337
Net (loss) income	(19,464)	1,118	(17,860)	18,875
Net Income from discontinued operations attributable to noncontrolling interest	0	0	0	(1)
Net (loss) income attributable to Blue Ridge Bankshares, Inc	(19,464)	1,118	(17,860)	18,874
Total assets	3,214,424	2,799,643	3,214,424	2,799,643	$ 3,141,045
Commercial Banking [Member]
INTEREST INCOME
Interest income	38,553	25,725	81,295	50,908
Interest expense	17,853	1,402	32,855	2,948
Net interest income	20,700	24,323	48,440	47,960
Provision for credit losses	20,500	7,494	24,200	9,994
Net interest (loss) income after provision for credit losses	200	16,829	24,240	37,966
NONINTEREST INCOME
Residential Mortgage Banking Income including Mortgage servicing rights	712	(25)	642	176
Gain on sale of guaranteed government loans	2,384	1,538	4,793	2,965
Service Charges On Deposit Accounts	349	327	692	642
Increase in cash surrender value of bank owned life insurance	292	276	574	548
Other income	2,797	2,457	5,885	5,634
Total noninterest income	6,534	4,573	12,586	9,965
NONINTEREST EXPENSE
Salaries and employee benefits	12,233	10,916	24,861	20,005
Other operating expenses	15,917	8,506	27,127	15,087
Total noninterest expense	28,150	19,422	51,988	35,092
Income (loss) from continuing operations before income tax expense	(21,416)	1,980	(15,162)	12,839
Income tax expense (benefit)	(4,322)	389	(2,922)	3,295
Net (loss) income from continuing operations		1,591		9,544
Discontinued Operations
Income from discontinued operations before income taxes				426
Income tax expense				89
Net income from discontinued operations				337
Net (loss) income	(17,094)		(12,240)	9,881
Net Income from discontinued operations attributable to noncontrolling interest				(1)
Net (loss) income attributable to Blue Ridge Bankshares, Inc				9,880
Total assets	3,141,817	2,712,209	3,141,817	2,712,209
Mortgage Banking [Member]
INTEREST INCOME
Interest income	415	337	720	928
Interest expense	170	93	309	128
Net interest income	245	244	411	800
Provision for credit losses	0		0	0
Net interest (loss) income after provision for credit losses	245	244	411	800
NONINTEREST INCOME
Residential Mortgage Banking Income including Mortgage servicing rights	3,583	5,985	4,956	15,343
Gain on sale of guaranteed government loans	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
Other income	0	0	0	0
Total noninterest income	3,583	5,985	4,956	15,343
NONINTEREST EXPENSE
Salaries and employee benefits	2,285	4,957	4,946	9,964
Other operating expenses	1,392	761	2,877	2,697
Total noninterest expense	3,677	5,718	7,823	12,661
Income (loss) from continuing operations before income tax expense	151	511	(2,456)	3,482
Income tax expense (benefit)	34	108	(549)	732
Net (loss) income from continuing operations		403		2,750
Discontinued Operations
Income from discontinued operations before income taxes				0
Income tax expense				0
Net income from discontinued operations				0
Net (loss) income	117		(1,907)	2,750
Net Income from discontinued operations attributable to noncontrolling interest				0
Net (loss) income attributable to Blue Ridge Bankshares, Inc				2,750
Total assets	41,124	55,335	41,124	55,335
Parents Only [Member]
INTEREST INCOME
Interest income	5	181	11	209
Interest expense	547	658	1,100	1,211
Net interest income	(542)	(477)	(1,089)	(1,002)
Provision for credit losses	0		0	0
Net interest (loss) income after provision for credit losses	(542)	(477)	(1,089)	(1,002)
NONINTEREST INCOME
Residential Mortgage Banking Income including 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
Other income	(282)	(173)	(325)	9,253
Total noninterest income	(282)	(173)	(325)	9,253
NONINTEREST EXPENSE
Salaries and employee benefits		0	0	0
Other operating expenses	2,324	381	3,286	539
Total noninterest expense	2,324	381	3,286	539
Income (loss) from continuing operations before income tax expense	(3,148)	(1,031)	(4,700)	7,712
Income tax expense (benefit)	(661)	(155)	(987)	1,468
Net (loss) income from continuing operations		(876)		6,244
Discontinued Operations
Income from discontinued operations before income taxes				0
Income tax expense				0
Net income from discontinued operations				0
Net (loss) income	(2,487)		(3,713)	6,244
Net Income from discontinued operations attributable to noncontrolling interest				0
Net (loss) income attributable to Blue Ridge Bankshares, Inc				6,244
Total assets	273,280	316,891	273,280	316,891
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 credit losses	0	0	0	0
Net interest (loss) income after provision for credit losses	0	0	0	0
NONINTEREST INCOME
Residential Mortgage Banking Income including 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
Other income	(99)	(195)	(198)	(277)
Total noninterest income	(99)	(195)	(198)	(277)
NONINTEREST EXPENSE
Salaries and employee benefits	0	0	0
Other operating expenses	(99)	(195)	(198)	(277)
Total noninterest expense	(99)	(195)	(198)	(277)
Income (loss) from continuing operations before income tax expense	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Net (loss) income from continuing operations		0		0
Discontinued Operations
Income from discontinued operations before income taxes				0
Income tax expense				0
Net income from discontinued operations				0
Net (loss) income	0		0	0
Net Income from discontinued operations attributable to noncontrolling interest				0
Net (loss) income attributable to Blue Ridge Bankshares, Inc				0
Total assets	$ (241,797)	$ (284,792)	$ (241,797)	$ (284,792)

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