Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share, Basic [Abstract]
Net income – basic	$ 47,145	$ 55,436	$ 62,108
Basic weighted average common shares	18,979,465	19,070,717	19,149,080
Basic earnings per share	$ 2.48	$ 2.91	$ 3.24
Net income - diluted	$ 47,145	$ 55,436	$ 62,108
Weighted average common shares	18,979,465	19,070,717	19,149,080
Restricted stock and RSUs	102,677	89,088	76,941
Diluted weighted average common shares	19,082,142	19,159,805	19,226,021
Diluted earnings per common share	$ 2.47	$ 2.89	$ 3.23