Premises and Equipment - Summary of Premises and Equipment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Land	$ 13,777	$ 9,444
Buildings and building improvements	49,626	42,115
Leasehold improvements	15,898	13,976
Furniture, fixtures and equipment	33,976	32,569
Premises and equipment, gross	113,277	98,104
Less accumulated depreciation and amortization	57,848	52,188
Premises and equipment	$ 55,429	$ 45,916
Buildings and building improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Buildings and building improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	50 years
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	25 years
Furniture, fixtures and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	2 years
Furniture, fixtures and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	30 years