Acquisitions - Narrative (Details) $ in Thousands						1 Months Ended									2 Months Ended	7 Months Ended	12 Months Ended
	Apr. 20, 2021 USD ($)	Nov. 30, 2020 USD ($)	May 19, 2020 USD ($)	Apr. 06, 2020 USD ($)	Jan. 31, 2020 USD ($)	Aug. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	May 31, 2021 USD ($) shares	Apr. 30, 2021 USD ($) transaction	Feb. 28, 2021 USD ($)	Jan. 31, 2021 USD ($)	Nov. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Apr. 30, 2020 USD ($) app developer transaction	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Acquisition of business through issuance of common stock and common stock warrants																	$ 0	$ 38,167	$ 192
Issuance of convertible securities related to acquisitions																	342,170	45,000	$ 0
Conversion of securities to common stock																	392,170
Transactions | transaction															2
Payments for asset acquisitions															$ 35,000
Asset acquisition, consideration transferred															$ 35,000
Asset acquisition, development services agreement term															2 years
Asset acquisition, consideration transferred, contingent consideration, earn-out term															4 years
Asset acquisition, number of apps | app															2
Asset acquisition, number of game developers | developer															2
Development services agreement, renewal term															2 years
Asset acquisition, consideration transferred, baseline revenue, cumulative amount															$ 45,000
Deferred cash consideration payment period													12 months
Asset acquisition, contingent consideration liability													$ 34,800
Gain (loss) on settlement of asset acquisition related contingent consideration													74,700
2019 Acquisition Related Contingent Consideration Settlement
Business Acquisition [Line Items]
Asset acquisition, contingent consideration settlement cash payment													3,400
Asset acquisition, contingent consideration settlement fair value of common stock issued													$ 106,100
Acquisition of Certain Mobile Game Apps
Business Acquisition [Line Items]
Transactions | transaction									2
Payments for asset acquisitions							$ 130,000		$ 300,000								53,700	46,400
Asset acquisition, consideration transferred, transaction cost							4,000		6,000
Asset acquisition, consideration transferred						$ 150,000	$ 134,000		$ 306,000
Asset acquisition, acquired asset amortization period						6 years	9 years		8 years
Asset acquisition, development services agreement term							4 years		4 years
Asset acquisition, consideration transferred, contingent consideration, earn-out term									4 years
Asset acquisition, consideration transferred, contingent consideration, earn-out payment									$ 50,000
Asset acquisition, consideration transferred, contingent consideration, costs																	116,600	38,800
A2020 Asset Acquisition
Business Acquisition [Line Items]
Asset acquisition, consideration transferred, contingent consideration, costs																	77,100
A2019 Asset Acquisition
Business Acquisition [Line Items]
Asset acquisition, consideration transferred, contingent consideration, costs																	14,800	$ 31,900
Recoded Asset Acquisition 2019
Business Acquisition [Line Items]
Consideration paid										$ 90,000	$ 60,000
Zenlife Asset Acquisition
Business Acquisition [Line Items]
Asset acquisition, development services agreement term														4 years
Athena Asset Acquisition
Business Acquisition [Line Items]
Payments for asset acquisitions												$ 110,000
Asset acquisition, consideration transferred, contingent consideration, earn-out term												4 years
Asset acquisition, future earn out term												4 years
Asset acquisition, deferred tax liability		$ 700										$ 700
Asset acquisition, deferred cash consideration		20,000										20,000
Deferred cash consideration, fair value on acquisition date		19,000										19,000
Convertible security, fair value on acquisition date												$ 45,000
Estimated useful life												6 years
Deferred cash consideration payment period												18 months
Athena Asset Acquisition | Mobile Game Apps
Business Acquisition [Line Items]
Finite-lived intangible assets acquired		170,700
Athena Asset Acquisition | Tradename
Business Acquisition [Line Items]
Finite-lived intangible assets acquired		$ 4,000
Mobile App One
Business Acquisition [Line Items]
Asset acquisition, acquired asset amortization period															3 years
Mobile App Two
Business Acquisition [Line Items]
Asset acquisition, acquired asset amortization period															5 years
Common Class A | Athena Asset Acquisition
Business Acquisition [Line Items]
Stated value of convertible security												$ 40,000
Adjust GmbH
Business Acquisition [Line Items]
Total consideration	$ 967,800
Issuance of convertible securities related to acquisitions	342,200
Consideration paid	578,000
Business combination, consideration transferred, liabilities incurred, cash holdback	47,600
Business acquisition, transaction costs	3,100
Deferred tax assets	1,600
Deferred tax liabilities	66,300
Adjustment, deferred tax liabilities																	800
Adjustment, deferred tax assets																	13,600
Business acquisition, goodwill, expected tax deductible amount	$ 692,500
Business combination, pro forma information, revenue of acquiree actual																	77,900
Business combination, pro forma information, earnings or loss of acquiree , actual																	37,100
Conversion of securities to common stock (in shares) | shares								6,320,688
Conversion of securities to common stock								$ 342,200
Total valuation																	$ 967,817
Adjust GmbH | Tradename
Business Acquisition [Line Items]
Estimated useful life	5 years
Adjust GmbH | Carrying Reported Amount Fair Value Disclosure
Business Acquisition [Line Items]
Total consideration	$ 980,000
Acquisition of business through issuance of common stock and common stock warrants	352,000
Issuance of convertible securities related to acquisitions	$ 50,000
Geewa A.S
Business Acquisition [Line Items]
Total consideration					$ 25,600
Consideration paid					23,500
Consideration indemnity holdback					$ 2,100
Business combination, consideration transferred indemnity hold back term					12 months
Business combination, acquisition related costs					$ 300
Total valuation					$ 25,629
Geewa A.S | Tradename
Business Acquisition [Line Items]
Estimated useful life					5 years
Redemption Games
Business Acquisition [Line Items]
Total consideration				$ 53,700
Business combination, acquisition related costs				$ 600
Business acquisition, percentage of voting interests acquired				95.50%
Total valuation				$ 56,232
Business combination, ownership interest												0.982
Redemption Games | Tradename
Business Acquisition [Line Items]
Estimated useful life				5 years
Redemption Games | Convertible Securities Convertible into Class A Common Stock
Business Acquisition [Line Items]
Business combination, exchange of minority shares												0.027
Redemption Games | Common Class A
Business Acquisition [Line Items]
Acquisition of business through issuance of common stock and common stock warrants												$ 4,500
Fair value of minority shares												$ 1,500
Machine Zone
Business Acquisition [Line Items]
Total consideration			$ 328,600
Acquisition of business through issuance of common stock and common stock warrants			38,200
Consideration paid			287,100
Business combination, pro forma information, revenue of acquiree actual																$ 113,800
Business combination, pro forma information, earnings or loss of acquiree , actual																$ 89,700
Business combination, acquisition related costs			2,800
Total valuation			328,555
Business combination, settlement of preexisting receivables			3,300
Machine Zone | IP License
Business Acquisition [Line Items]
Business combination, remaining noncancelable purchase commitment			$ 37,100
Estimated useful life			2 years
Machine Zone | Tradename
Business Acquisition [Line Items]
Estimated useful life			10 years
Exit of Machine Zone Real Estate Leases
Business Acquisition [Line Items]
Business combination, separately recognized transaction increase (decrease) in operating lease right of use asset			$ 57,600
Increase (decrease) in operating lease, liability			63,100
Business combination, separately recognized transactions write off of leasehold improvements and other assets			15,000
Adjustments to additional paid in capital, warrant issued			$ 400
Zenlife Asset Acquisition
Business Acquisition [Line Items]
Payments for asset acquisitions														$ 160,000
Asset acquisition, acquired asset amortization period														5 years
Asset acquisition, future earn out term														4 years
Asset acquisition, recognized identifiable assets acquired and liabilities assumed mobile game apps														$ 173,300
Asset acquisition, deferred tax liability														$ 13,300