Securities Sold Under Repurchase Agreements - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Securities Sold under Agreements to Repurchase [Abstract]
Securities sold under repurchase , period	1 day
Securities sold under repurchase agreements	$ 16,731	$ 8,181
Repurchase agreement secured by investment securities, fair value	$ 26,900	$ 16,200
Repurchase agreement, weighted average interest rate	3.18%	0.50%