Stock-Based Compensation - Summary of Activity Under Stock Option Plan (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]
Outstanding at beginning period - Options	1,310,290	1,303,250
Options granted		278,500
Options exercised	(60,024)	(241,460)
Options canceled, forfeited, or expired	(8,875)	(30,000)
Outstanding at ending period - Options	1,241,391	1,310,290
Exercisable at ending period - Options	524,016	489,540
Outstanding at beginning period - Wgtd. Avg. Exercise Price	$ 52.51	$ 40.90
Options granted - Wgtd. Avg. Exercise Price		87.13
Options exercised - Wgtd. Avg. Exercise Price	34.83	28.06
Options cancelled, forfeited, or expired - Wgtd. Avg. Exercise Price	86.42	66.31
Outstanding at ending period - Wgtd. Avg. Exercise Price	53.12	52.51
Exercisable at ending period - Wgtd. Avg. Exercise Price	$ 34.53	$ 30.82
Outstanding at ending period - Wgtd. Avg. Remaining Contractual Term, years	9 years 8 months 12 days	8 years 8 months 23 days
Exercisable at ending period - Wgtd. Avg. Remaining Contractual Term, years	6 years 4 months 20 days	6 years 9 months 18 days
Outstanding at ending period - Aggregate Intrinsic Value	$ 54,882	$ 46,741
Exercisable at ending period - Aggregate Intrinsic Value	$ 32,908	$ 28,082