Significant Accounting Policies - Computation of Weighted Average Shares Used in the Calculation of Basic and Dilutive Earnings Per Share (Detail) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Weighted average number of common shares and dilutive potential common shares used in computing diluted net income per common share	7,188,026	7,341,446	7,391,787