Stock-Based Compensation - Summary of Activity Under Stock Option Plan (Detail) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares
Share-based Payment Arrangement [Abstract]
Outstanding at beginning period - Options | shares	1,303,250
Options granted | shares	42,500
Options exercised | shares	(116,292)
Outstanding at ending period - Options | shares	1,229,458
Exercisable at ending period - Options | shares	516,083
Outstanding at beginning period - Wgtd. Avg. Exercise Price | $ / shares	$ 40.90
Options granted - Wgtd. Avg. Exercise Price | $ / shares	77.32
Options exercised - Wgtd. Avg. Exercise Price | $ / shares	25.71
Outstanding at ending period - Wgtd. Avg. Exercise Price | $ / shares	43.59
Exercisable at ending period - Wgtd. Avg. Exercise Price | $ / shares	$ 29.07
Outstanding at ending period - Wgtd. Avg. Remaining Contractual Term, years	8 years 4 months 20 days
Exercisable at ending period - Wgtd. Avg. Remaining Contractual Term, years	7 years 1 month 24 days
Outstanding at ending period - Aggregate Intrinsic Value | $	$ 48,705
Exercisable at ending period - Aggregate Intrinsic Value | $	$ 27,941