Premises and Equipment - Schedule of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 181,446	$ 156,620
Less: accumulated depreciation	(44,726)	(39,488)
Premises and equipment, net	136,720	117,132
Land [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	23,582	21,104
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	119,236	101,513
Furniture Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 38,628	$ 34,003

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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