Stock-Based Compensation - Summary of Activity Under Stock Option Plan (Detail) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares
Share-Based Payment Arrangement [Abstract]
Outstanding at beginning period - Options | shares	1,303,250
Options granted | shares	231,000
Options exercised | shares	(236,585)
Options canceled, forfeited, or expired | shares	(30,000)
Outstanding at ending period - Options | shares	1,267,665
Exercisable at ending period - Options | shares	467,790
Outstanding at beginning period - Wgtd. Avg. Exercise Price | $ / shares	$ 40.90
Options granted - Wgtd. Avg. Exercise Price | $ / shares	85.50
Options exercised - Wgtd. Avg. Exercise Price | $ / shares	27.80
Options cancelled, forfeited, or expired - Wgtd. Avg. Exercise Price | $ / shares	66.31
Outstanding at ending period - Wgtd. Avg. Exercise Price | $ / shares	50.87
Exercisable at ending period - Wgtd. Avg. Exercise Price | $ / shares	$ 30.35
Outstanding at ending period - Wgtd. Avg. Remaining Contractual Term, years	8 years 2 months 23 days
Exercisable at ending period - Wgtd. Avg. Remaining Contractual Term, years	6 years 11 months 4 days
Outstanding at ending period - Aggregate Intrinsic Value | $	$ 48,933
Exercisable at ending period - Aggregate Intrinsic Value | $	$ 27,654