Premises and Equipment - Schedule of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 156,620	$ 147,947
Less: accumulated depreciation	(39,488)	(35,315)
Premises and equipment, net	117,132	112,632
Land [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	21,104	21,161
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	101,513	96,204
Furniture Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 34,003	$ 30,582