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Goodwill and Intangible Assets, Net - Summary of Carrying Amounts and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Accumulated Amortization	$ (54.6)	$ (38.4)
Finite-Lived Intangible Assets, Net	126.9
Indefinite-lived intangible assets:
Intangible Assets, Gross (Excluding Goodwill)	181.8	84.0
Intangible Assets, Net (Excluding Goodwill)	127.2	45.6
Domain Name [Member]
Indefinite-lived intangible assets:
Indefinite-lived Intangible Assets (Excluding Goodwill)	0.3	0.3
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross	150.4	59.7
Finite-Lived Intangible Assets, Accumulated Amortization	(42.9)	(22.4)
Finite-Lived Intangible Assets, Net	$ 107.5	$ 37.3
Finite-Lived Intangible Assets, Remaining Amortization Period	4 years 3 months 18 days	4 years 4 months 24 days
Customer relationships | Minimum [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	2 years	3 years
Customer relationships | Maximum [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	9 years	9 years
Acquired Technology [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross	$ 17.5	$ 12.0
Finite-Lived Intangible Assets, Accumulated Amortization	(9.0)	(5.7)
Finite-Lived Intangible Assets, Net	$ 8.5	$ 6.3
Finite-Lived Intangible Assets, Remaining Amortization Period	3 years 2 months 12 days
Acquired Technology [Member] | Minimum [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	2 years	2 years
Acquired Technology [Member] | Maximum [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	5 years	3 years
Trademarks [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross	$ 13.6	$ 2.3
Finite-Lived Intangible Assets, Accumulated Amortization	(2.7)	(0.6)
Finite-Lived Intangible Assets, Net	$ 10.9	$ 1.7
Finite-Lived Intangible Assets, Remaining Amortization Period	5 years 4 months 24 days	2 years 8 months 12 days
Trademarks [Member] | Minimum [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	2 years	2 years
Trademarks [Member] | Maximum [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	9 years	3 years
Workforce [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life		2 years
Finite-Lived Intangible Assets, Gross		$ 9.7
Finite-Lived Intangible Assets, Accumulated Amortization		$ (9.7)
Finite-Lived Intangible Assets, Remaining Amortization Period		2 years 7 months 6 days

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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