Deposits - Summary of Deposit Accounts (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deposits [Abstract]
Demand, noninterest-bearing	$ 192,773	$ 129,243
Demand, interest-bearing	254,478	256,258
Money market and savings	228,048	205,843
Time deposits, $250,000 and over	45,616	56,266
Time deposits, other	225,857	124,055
Total deposits	$ 946,772	$ 771,665
Demand, noninterest-bearing	20.36%	16.75%
Demand, interest-bearing	26.88%	33.21%
Money market and savings	24.09%	26.68%
Time deposits, $250,000 and over	4.82%	7.29%
Time deposits, other	23.86%	16.08%
Total deposits	100.00%	100.00%