Acquisitions - Summary of Intangible Assets Subject to Amortization Acquired (Detail) - Cisneros Interactive $ in Millions	Oct. 13, 2020 USD ($)
Publisher Relationships
Finite Lived Intangible Assets [Line Items]
Estimated Fair Value, Intangible Asset	$ 34.4
Weighted average life (in years), Intangible Assets	10 years
Advertiser Relationships
Finite Lived Intangible Assets [Line Items]
Estimated Fair Value, Intangible Asset	$ 5.2
Weighted average life (in years), Intangible Assets	4 years
Trade Name
Finite Lived Intangible Assets [Line Items]
Estimated Fair Value, Intangible Asset	$ 1.7
Weighted average life (in years), Intangible Assets	2 years 6 months
Non-Compete Agreements
Finite Lived Intangible Assets [Line Items]
Estimated Fair Value, Intangible Asset	$ 0.4
Weighted average life (in years), Intangible Assets	4 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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