Goodwill and Other Intangible Assets - Schedule of Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Gross carrying value	$ 12,908	$ 12,089
Accumulated amortization	(6,325)	(4,495)
Net carrying value	6,583	7,594
Core Deposits [Member]
Finite Lived Intangible Assets [Line Items]
Gross carrying value	9,626	9,626
Accumulated amortization	(4,330)	(2,908)
Net carrying value	5,296	6,718
Other [Member]
Finite Lived Intangible Assets [Line Items]
Gross carrying value	3,282	2,463
Accumulated amortization	(1,995)	(1,587)
Net carrying value	$ 1,287	$ 876