Stock-Based Compensation - Time-Based Restricted Stock and Restricted Stock Unit Activity (Detail) - Time-Based Restricted Stock and Time-Based Restricted Stock Units [Member] - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Restricted Stock Activity [Line Items]
Nonvested, Shares, Beginning Balance	110,635	111,546	160,722
Time-based Restricted Stock, Granted	97,177	57,094	33,703
Time-based Restricted Stock, Vested	(81,080)	(56,719)	(78,081)
Time-based Restricted Stock, Forfeited	(10,228)	(1,286)	(4,798)
Nonvested, Shares, Ending Balance	116,504	110,635	111,546
Nonvested, Weighted-Average Grant Price Per Share, Beginning Balance	$ 61.28	$ 52.91	$ 35.68
Weighted-Average Grant Price Per Share, Granted	58.5	75.06	100.5
Weighted-Average Grant Price Per Share, Vested	56.52	58.13	37.81
Weighted-Average Grant Price Per Share, Forfeited	66.19	86.84	66
Nonvested, Weighted-Average Grant Price Per Share, Ending Balance	$ 65	$ 61.28	$ 52.91