Intangible Assets and Goodwill - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 36,648	$ 30,783
Accumulated Amortization	(16,665)	(13,217)
Net Carrying Amount	19,983	17,566
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	33,298	27,433
Accumulated Amortization	(13,615)	(10,311)
Net Carrying Amount	19,683	17,122
Customer Relationship Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,350	3,350
Accumulated Amortization	(3,050)	(2,906)
Net Carrying Amount	$ 300	$ 444