Summary of Significant Accounting Policies - Summary of Earnings Per Share, Basic and Diluted (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net income available to common shareholders	$ 21,108	$ 13,368
Weighted average basic common shares outstanding	8,306,282	8,222,749
Add: dilutive potential common shares	98,035	70,193
Weighted average diluted common shares outstanding	8,404,317	8,292,942
Basic earnings per share	$ 2.54	$ 1.63
Diluted earnings per share	$ 2.51	$ 1.61