Earnings Per Common Share - Additional Information (Detail) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Antidilutive Securities Included In Computation Of Earnings Per Share [Line Items]
Shares awarded under shareholder return plan	24,000	53,280	0
Stock Option [Member]
Schedule Of Antidilutive Securities Included In Computation Of Earnings Per Share [Line Items]
Securities excluded from computation of net income per diluted shares	594,017	510,211	412,131
Restricted Stock [Member]
Schedule Of Antidilutive Securities Included In Computation Of Earnings Per Share [Line Items]
Shares awarded under shareholder return plan	68,833	53,230	61,267