Interest-Bearing Deposits - Summary of Interest - Bearing Deposits (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Interest Bearing Deposits [Line Items]
Total interest-bearing deposits	$ 673,134	$ 668,401
Interest-bearing Deposits
Interest Bearing Deposits [Line Items]
Demand	241,227	242,387
Savings	313,826	304,639
In excess of $250,000	28,839	26,213
Other	89,242	95,162
Total interest-bearing deposits	$ 673,134	$ 668,401