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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Restricted stock awards outstanding	438,974		438,974
Stock option exercises, Shares			3,750
Stock option outstanding , Shares	19,192,471		19,192,471		18,950,329
Stock options outstanding	15,058		15,058
RSAs and LTIP RSAs Member
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Forfeited restricted stock units			46,846
Compensation expense	$ 554	$ 415	$ 1,500	$ 1,100
Number of options granted			289,981
Employee Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation expense			$ 3,200
Bay Banks Of Virginia Inc [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock option outstanding , Shares	33,866		33,866