Earning Per Share - Summary of Computation of Basic and Diluted EPS (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Weighted average common shares outstanding, basic	18,766,542	18,624,723	18,769,384	16,890,718
Effect of dilutive securities	11,666	21,277	14,502	27,802
Weighted average common shares outstanding, dilutive	18,778,208	18,646,000	18,783,886	16,918,520
Net income:
Net income from continuing operations	$ 1,118	$ 28,693	$ 18,538	$ 32,936
Net (loss) income from discontinued operations	0	(51)	337	(57)
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
Basic earnings per share:
Earnings per share from continuing operations	$ 0.06	$ 1.54	$ 0.99	$ 1.95
Earnings per share from discontinued operations			0.02
Earnings per share attributable to Blue Ridge Bankshares, Inc.	0.06	1.54	1.01	1.95
Diluted earnings per share:
Earnings per share from continuing operations	0.06	1.54	0.99	1.95
Earnings per share from discontinued operations			0.02
Earnings per share attributable to Blue Ridge Bankshares, Inc.	$ 0.06	$ 1.54	$ 1.01	$ 1.95