Stock-Based Compensation - SAR Activity (Detail) - Stock Appreciation Rights [Member] - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule Of Stock Appreciation Rights Activity [Line Items]
SARs Outstanding, Beginning Balance	293,276	304,038	476,952
Granted, SARs	15,029	43,830	49,072
Exercised, SARs	(102,562)	(54,592)	(217,528)
Canceled, SARs	(4,745)		(4,458)
Shares Outstanding, SARs, Ending Balance	200,998	293,276	304,038
Outstanding, Weighted Average Grant Price Per Share, Beginning Balance	$ 22.15	$ 15.79	$ 9.63
Vested, SARs	161,244
Granted, Weighted Average Grant Price Per Share	$ 104.56	50.39	38.85
Exercisable, SARs	161,244
Exercised, Weighted Average Grant Price Per Share	$ 9.45	9.41	6.95
Canceled, Weighted Average Grant Price Per Share	61.66	0
Outstanding, Weighted Average Grant Price Per Share, Ending Balance	33.86	$ 22.15	$ 15.79
Vested, Weighted Average Grant Price Per Share	25.58
Exercisable, Weighted Average Grant Price Per Share	$ 25.58
Weighted Average Remaining Contractual Life, Outstanding	5 years 3 months 18 days
Weighted Average Remaining Contractual Life, Vested	5 years 3 months 18 days
Weighted Average Remaining Contractual Life, Exercisable	5 years 3 months 18 days
Aggregate Intrinsic Value, Outstanding	$ 20,335,938
Aggregate Intrinsic Value, Vested	17,647,952
Aggregate Intrinsic Value, Exercisable	$ 17,647,952