Stock-Based Compensation - Summary of Activity Under Stock Option Plan (Detail) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares
Share-based Payment Arrangement [Abstract]
Outstanding at beginning period - Options | shares	1,303,250
Options granted | shares	135,000
Options exercised | shares	(164,792)
Options canceled, forfeited, or expired | shares	(5,000)
Outstanding at ending period - Options | shares	1,268,458
Exercisable at ending period - Options | shares	516,458
Outstanding at beginning period - Wgtd. Avg. Exercise Price | $ / shares	$ 40.90
Options granted - Wgtd. Avg. Exercise Price | $ / shares	81.90
Options exercised - Wgtd. Avg. Exercise Price | $ / shares	26.05
Options cancelled, forfeited, or expired - Wgtd. Avg. Exercise Price | $ / shares	74.90
Outstanding at ending period - Wgtd. Avg. Exercise Price | $ / shares	47.06
Exercisable at ending period - Wgtd. Avg. Exercise Price | $ / shares	$ 29.79
Outstanding at ending period - Wgtd. Avg. Remaining Contractual Term, years	8 years 3 months 25 days
Exercisable at ending period - Wgtd. Avg. Remaining Contractual Term, years	7 years 21 days
Outstanding at ending period - Aggregate Intrinsic Value | $	$ 61,713
Exercisable at ending period - Aggregate Intrinsic Value | $	$ 34,043