Condensed Parent Company Financial Information - Summary of Condensed Financial Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
ASSETS
Cash and due from banks	$ 24,463	$ 19,911
Equity securities	259	244
Fair Value, Available-for-sale	140,080	150,069
TOTAL ASSETS	1,178,689	1,159,108
LIABILITIES AND SHAREHOLDERS’ EQUITY
Total liabilities	1,070,750	1,063,188
Total shareholders’ equity	107,939	95,920	$ 97,315
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	1,178,689	1,159,108
Parent Company [Member]
ASSETS
Cash and due from banks	271	805
Investment in subsidiary bank	107,299	94,749
Equity securities	259	244
Other assets	174	162
TOTAL ASSETS	108,003	95,960
LIABILITIES AND SHAREHOLDERS’ EQUITY
Total liabilities	64	40
Total shareholders’ equity	107,939	95,920
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 108,003	$ 95,960