Condensed Parent Company Financial Information - Summary of Condensed Financial Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Cash and due from banks	$ 19,911	$ 19,543
Fair Value, Available-for-sale	150,069	131,708
TOTAL ASSETS	1,159,108	1,144,239
LIABILITIES AND SHAREHOLDERS’ EQUITY
Total liabilities	1,063,188	1,046,924
Total shareholders’ equity	95,920	97,315	$ 93,859
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	1,159,108	1,144,239
Parent Company [Member]
ASSETS
Cash and due from banks	805	1,244
Investment in subsidiary bank	94,749	95,863
Fair Value, Available-for-sale	244	115
Other assets	162	143
TOTAL ASSETS	95,960	97,365
LIABILITIES AND SHAREHOLDERS’ EQUITY
Total liabilities	40	50
Total shareholders’ equity	95,920	97,315
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 95,960	$ 97,365