Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share, Basic [Abstract]
Net income	$ 16,925	$ 17,339
Basic weighted average common shares	19,122,168	19,131,356
Basic earnings per common share	$ 0.89	$ 0.91
Net income	$ 16,925	$ 17,339
Weighted average common shares	19,122,168	19,131,356
Restricted stock and RSUs	89,114	104,055
Diluted weighted average common shares	19,211,282	19,235,411
Diluted earnings per common share	$ 0.88	$ 0.9