Goodwill and Intangible Assets - Schedule of Acquired Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 27,258	$ 27,258
Accumulated Amortization	6,303	1,525
Core Deposit Intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	26,910	26,910
Accumulated Amortization	6,061	1,344
Trade Name Intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	348	348
Accumulated Amortization	$ 242	$ 181