Stock-Based Compensation - Performance-Based Restricted Stock Activity (Detail) - Performance-Based Restricted Stock and Performance-Based Restricted Stock Units [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Restricted Stock Activity [Line Items]
Nonvested, Shares, Beginning Balance	57,768	72,570	123,656
Performance-based Restricted Stock, Granted	72,152	36,522	78,404
Performance-based Restricted Stock, Vested	(57,875)	(45,051)	(128,762)
Performance-based Restricted Stock, Forfeited	(562)	(6,273)	(728)
Nonvested, Shares, Ending Balance	71,483	57,768	72,570
Nonvested, Weighted-Average Grant Price Per Share, Beginning Balance	$ 71.21	$ 43.42	$ 30.67
Weighted-Average Grant Price Per Share, Granted	76.14	86.26	39.6
Weighted-Average Grant Price Per Share, Vested	64.43	39.41	28.87
Weighted-Average Grant Price Per Share, Forfeited	82.95	65.3	41.12
Nonvested, Weighted-Average Grant Price Per Share, Ending Balance	$ 81.57	$ 71.21	$ 43.42