Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of shares issued under share-based payment arrangement.

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Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Apr. 15, 2019	Mar. 31, 2023	Aug. 31, 2021
Unrecognized compensation cost related to unvested employee and director stock-based awards		$ 44.3
Weighted average period for unrecognized compensation cost		2 years 7 months 6 days
2019 Stock Plan [Member]
Share-based compensation arrangement by share-based payment award, number of shares authorized	3,428,571
Share based compensation arrangement by share based payment award number of shares available for grant		400,541
2019 Stock Plan [Member] \| From 2014 Plan [Member]
Share-based compensation arrangement by share-based payment award, number of shares authorized	1,595,189
2019 Employee Stock Purchase Plan [Member]
Share-based compensation arrangement by share-based payment award, number of shares authorized	371,142
Share based compensation arrangement by share based payment award number of shares available for grant		276,318
Purchase price of common stock, percent	85.00%
Number of shares issued		14,135
2021 Inducement Plan [Member] \| Common Stock
Share-based compensation arrangement by share-based payment award, number of shares authorized			1,000,000
Share based compensation arrangement by share based payment award number of shares available for grant		458,384
2019 Plan and 2021 Inducement Plan [Member] \| Common Stock
Options granted		326,751
Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value		$ 43.26
2019 Plan and 2021 Inducement Plan [Member] \| Restricted stock units [Member]
Shares granted		182,911
Share-based compensation arrangement by share-based payment award, grants in period, weighted average grant date fair value		$ 66.10