Stockholders' Equity - Summary of Stock Option Activity (Detail) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted Average Remaining Contractual Life in Years	8 years 3 months 18 days
Weighted Average Remaining Contractual Life in Years, options exercisable at March 31, 2022	7 years 6 months
Weighted Average Remaining Contractual Life in Years, options unvested and expected to vest at March 31, 2022	8 years 8 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning balance | shares	500,000.0
Options granted | shares	176,200
Options outstanding, ending balance | shares	676,200
Options exercisable at March 31, 2022 | shares	241,300
Options unvested and expected to vest at March 31, 2022 | shares	407,200
Weighted-average grant date fair value
Weighted-average grant date fair value, options beginning balance | $ / shares	$ 39.26
Weighted-average grant date fair value, options granted | $ / shares	45.05
Weighted-average grant date fair value, options ending balance | $ / shares	40.77
Weighted-average grant date fair value, options exercisable at March 31, 2022 | $ / shares	35.87
Weighted-average grant date fair value, options unvested and expected to vest at March 31, 2022 | $ / shares	$ 43.34
Aggregate Intrinsic Value, options outstanding | $	$ 2.3
Aggregate Intrinsic Value, options exercisable at March 31, 2022 | $	1.4
Aggregate Intrinsic Value, options unvested and expected to vest at March 31, 2022 | $	$ 0.9