Loans and Allowance for Credit Losses - Summary of Summary of Total Nonaccrual Loans and Foregone Interest (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Receivables [Abstract]
Total nonaccrual loans	$ 22,248	$ 25,974
Interest foregone quarter to date	464	417
Amount of foregone interest applied to principal in the quarter	72	59
Interest foregone year to date	662	928
Amount of foregone interest applied to principal for the year	133	238
Interest foregone life-to-date	3,162	2,119
Amount of foregone interest applied to principal life-to-date	$ 814	$ 822
Percentage of nonaccrual loans to gross loan portfolio	0.90%	1.20%
Percentage of allowance for credit losses to nonaccrual loans	403.60%	324.30%