Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share, Basic [Abstract]
Net income	$ 13,818	$ 14,324	$ 36,722	$ 42,242
Basic weighted average common shares	18,980,807	19,042,152	19,018,293	19,082,374
Basic earnings per common share	$ 0.73	$ 0.75	$ 1.93	$ 2.21
Net income	$ 13,818	$ 14,324	$ 36,722	$ 42,242
Weighted average common shares	18,980,807	19,042,152	19,018,293	19,082,374
Restricted stock and RSUs	91,254	70,951	88,263	74,602
Diluted weighted average common shares	19,072,061	19,113,103	19,106,556	19,156,976
Diluted earnings per common share	$ 0.72	$ 0.75	$ 1.92	$ 2.21