Deposits - Summary of Deposit Accounts (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Deposits [Abstract]
Demand, noninterest-bearing	$ 240,729	$ 192,773
Demand, interest-bearing	237,114	254,478
Money market and savings	254,632	228,048
Time deposits, $250 and over	57,194	45,616
Time deposits, other	245,173	225,857
Total deposits	$ 1,034,842	$ 946,772
Demand, noninterest-bearing	23.26%	20.36%
Demand, interest-bearing	22.91%	26.88%
Money market and savings	24.61%	24.09%
Time deposits, $250 and over	5.53%	4.82%
Time deposits, other	23.69%	23.86%
Total deposits	100.00%	100.00%