Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share, Basic [Abstract]
Net income	$ 15,627	$ 6,132	$ 32,966	$ 23,463
Basic weighted average common shares	19,139,735	19,273,934	19,135,564	19,302,805
Basic earnings per common share	$ 0.82	$ 0.32	$ 1.72	$ 1.22
Net income	$ 15,627	$ 6,132	$ 32,966	$ 23,463
Weighted average common shares	19,139,735	19,273,934	19,135,564	19,302,805
Restricted stock and RSUs	57,020	58,234	64,813	64,280
Diluted weighted average common shares	19,196,755	19,332,168	19,200,377	19,367,085
Diluted earnings per common share	$ 0.81	$ 0.32	$ 1.72	$ 1.21