Goodwill and Intangible Assets - Schedule of Acquired Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	$ 25,960	$ 27,258
Accumulated Amortization	10,594	6,303
Core Deposit Intangibles
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	25,612	26,910
Accumulated Amortization	10,291	6,061
Trade Name Intangibles
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	348	348
Accumulated Amortization	$ 303	$ 242