Deposits - Schedule of Composition of Time Deposits (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deposits [Abstract]
Demand noninterest-bearing	$ 269,998	$ 261,882
Interest checking and money market	417,318	486,548
Savings	101,193	104,301
Time deposits $250,000 and over	78,046	35,979
Other time deposits	115,158	51,146
Total deposits	$ 981,713	$ 939,856
Demand noninterest-bearing, percentage	27.00%	28.00%
Interest checking and money market, percentage	43.00%	52.00%
Savings, percentage	10.00%	11.00%
Time deposits $250,000 and over, percentage	8.00%	4.00%
Other time deposits, percentage	12.00%	5.00%
Total, percentage	100.00%	100.00%