Share-Based Compensation - Additional Information (Detail) $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($)
Share-based Payment Arrangement [Abstract]
Unrecognized compensation cost related to unvested share-based equity awards	$ 91.4
Weighted average period of recognition of unvested share-based equity awards	1 year 7 months 28 days
Unrecognized compensation cost related to unvested share-based equity awards, stock options	$ 11.4
Unrecognized compensation cost related to unvested share-based equity awards, restricted stock	$ 80.0

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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- Definition

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.

+ References

+ Details

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

+ Details

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