Stock-based Compensation - Summary of Stock Option Activity (Detail)	3 Months Ended
Mar. 31, 2022 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Shares, Outstanding, Beginning Balance \| shares	7,812,982
Shares, Granted \| shares	820,189
Shares, Exercised \| shares	(261,280)
Shares, Cancelled or forfeited \| shares	(151,433)
Shares, Outstanding, Ending Balance \| shares	8,220,458
Shares, Exercisable \| shares	4,757,990
Shares, Vested or expected to vest \| shares	8,220,458
Weighted-Average Exercise Price, Outstanding, Beginning Balance \| $ / shares	$ 58.07
Weighted-Average Exercise Price, Granted \| $ / shares	58.62
Weighted-Average Exercise Price, Exercised \| $ / shares	39.17
Weighted-Average Exercise Price, Cancelled or forfeited \| $ / shares	78.48
Weighted-Average Exercise Price, Outstanding, Ending Balance \| $ / shares	58.35
Weighted-Average Exercise Price, Exercisable \| $ / shares	43.59
Weighted-Average Exercise Price, Vested or expected to vest \| $ / shares	$ 58.35

No definition available.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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- Definition

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

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No definition available.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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