Business Combinations - SpotX Components of Intangible Assets and Estimated Useful Lives (Details) - SpotX, Inc $ in Thousands	Apr. 30, 2021 USD ($) project
Business Acquisition [Line Items]
Intangible assets acquired	$ 429,600
Technology
Business Acquisition [Line Items]
Intangible assets acquired	$ 280,400
Estimated Useful Life	5 years
Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired	$ 130,300
Customer relationships \| Minimum
Business Acquisition [Line Items]
Estimated Useful Life	2 years
Customer relationships \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life	4 years
Backlog
Business Acquisition [Line Items]
Intangible assets acquired	$ 11,100
Estimated Useful Life	1 year
In-process research and development
Business Acquisition [Line Items]
Intangible assets acquired	$ 5,800
Number of projects \| project	6
Estimated Useful Life	3 years
Non-compete agreements
Business Acquisition [Line Items]
Intangible assets acquired	$ 1,500
Estimated Useful Life	1 year
Trademarks
Business Acquisition [Line Items]
Intangible assets acquired	$ 500
Estimated Useful Life	1 year

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- Definition

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

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+ References

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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