Related Party Transactions - Summary of Loans to Principal Officers, Directors, and Affiliates (Detail) - Related Party [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Related Party Transaction [Line Items]
Beginning balance	$ 33,333	$ 40,749
New loans	0	2,560
Effect of changes in composition from related parties	(2,241)	0
Net repayments in existing accounts	(373)	(9,976)
Ending balance	$ 30,719	$ 33,333