Acquisitions - Narrative (Details)				1 Months Ended		2 Months Ended	3 Months Ended		6 Months Ended		15 Months Ended
	Apr. 01, 2022 USD ($) shares	Jan. 01, 2022 USD ($)	Apr. 20, 2021 USD ($)	Jun. 30, 2021 USD ($)	Apr. 30, 2021 USD ($) transaction	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)
Business Acquisition [Line Items]
Consideration transferred, liabilities incurred									$ 0	$ 342,170,000
Certain Mobile Game Apps
Business Acquisition [Line Items]
Contingent consideration, costs							$ 43,800,000		75,500,000
Acquistion of Certain Mobile Game Apps
Business Acquisition [Line Items]
Contingent consideration, costs								$ 51,800,000		87,600,000
Number of asset acquisitions | transaction					2
Payments for asset acquisitions				$ 130,000,000	$ 300,000,000			8,000,000		8,000,000
Asset acquisition, transaction cost				4,000,000	6,000,000
Asset acquisition, consideration transferred				$ 134,000,000	$ 306,000,000
Acquired asset, amortization period				9 years	8 years
Development services agreement, term				4 years	4 years
Contingent consideration, earn-out term					4 years
Contingent consideration, earn-out payment					$ 50,000,000
Transitional Services Agreement
Business Acquisition [Line Items]
Expenses recognized							7,000,000
Wurl, Inc.
Business Acquisition [Line Items]
Consideration transferred	$ 378,200,000
Consideration paid	219,300,000
Business combination, equity interests issued and issuable	137,400,000
Consideration transferred, liabilities incurred	$ 21,500,000
Indemnity holdback, period	18 months
Acquisition-related expense and transaction bonus	$ 1,900,000
Revenue of acquiree since acquisition date											$ 11,400,000
Pretax loss of acquiree since acquisition date											4,600,000
Wurl, Inc. | Class A Common Stock
Business Acquisition [Line Items]
Business combination, equity interests issued and issuable (in shares) | shares	2,579,692
Cash and equity interests issued and issuable, earnout	$ 600,000,000
MoPub
Business Acquisition [Line Items]
Consideration paid		$ 1,030,000,000.00
Acquisition-related expense and transaction bonus									14,400,000
Liabilities assumed in transaction							0		0		0
Expected tax deductible amount for goodwill							$ 694,500,000		$ 694,500,000		$ 694,500,000
Adjust GmbH
Business Acquisition [Line Items]
Consideration transferred			$ 967,800,000
Consideration paid			578,000,000
Consideration transferred, liabilities incurred			342,200,000
Revenue of acquiree since acquisition date						$ 21,600,000
Pretax loss of acquiree since acquisition date						$ (19,200,000)
Expected tax deductible amount for goodwill			692,500,000
Fair value of cash holdback			47,600,000
Transaction costs			3,100,000
Adjust GmbH | Reported Value Measurement
Business Acquisition [Line Items]
Consideration transferred			980,000,000
Business combination, equity interests issued and issuable			352,000,000
Consideration transferred, liabilities incurred			$ 50,000,000
2020 Asset Acquisition
Business Acquisition [Line Items]
Contingent consideration, costs								$ 40,700,000		$ 67,900,000