Goodwill and Core Deposit Intangible - Summary of Carrying Amount of Goodwill and Core Deposit Intangible Assets (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Beginning balance	$ 14,381
Core Deposit Intangible, Beginning balance	2,776
Amortization expense	(382)
Goodwill, Ending balance	14,381
Core Deposit Intangible, Ending balance	$ 2,394

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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