Summary of Significant Accounting Policies - Weighted Average Shares and Share Equivalents Used to Calculate Basic and Diluted Earnings Per Share (Detail) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Weighted average number of shares outstanding used to calculate basic EPS (in Shares)	3,238,161	3,285,562	3,580,800
Dilutive securities:
Stock options and restricted share units (in Shares)	197,133	222,962	278,112
Weighted average number of shares and share equivalents outstanding used to calculate diluted EPS (in Shares)	3,435,294	3,508,524	3,858,912