Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenue	$ 2,817,058	$ 2,793,104	$ 1,451,086
Costs and expenses:
Cost of revenue	1,256,065	988,095	555,578
Sales and marketing	919,550	1,129,892	627,796
Research and development	507,607	366,402	180,652
General and administrative	181,627	158,699	66,431
Lease modification and abandonment of leasehold improvements	0	0	7,851
Extinguishments of acquisition-related contingent consideration	0	0	74,820
Total costs and expenses	2,864,849	2,643,088	1,513,128
Income (loss) from operations	(47,791)	150,016	(62,042)
Other income (expense):
Interest expense and loss on settlement of debt	(171,863)	(103,170)	(77,873)
Other income (expense), net	14,477	(535)	4,209
Total other expense	(157,386)	(103,705)	(73,664)
Income (loss) before income taxes	(205,177)	46,311	(135,706)
Provision for (benefit from) income taxes	(12,230)	10,973	(9,772)
Net income (loss)	(192,947)	35,338	(125,934)
Add: Net loss attributable to noncontrolling interest	201	108	747
Net income (loss) attributable to AppLovin	(192,746)	35,446	(125,187)
Less: Net income attributable to participating securities	0	(3,743)	0
Net income (loss) attributable to common stock—Basic	(192,746)	31,703	(125,187)
Net income (loss) attributable to common stock—Diluted	$ (192,746)	$ 31,879	$ (125,187)
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.52)	$ 0.10	$ (0.58)
Diluted (in dollars per share)	$ (0.52)	$ 0.09	$ (0.58)
Weighted average common shares used to compute net income (loss) per share attributable to common stockholders:
Basic (in shares)	371,568,011	324,836,076	214,936,545
Diluted (in shares)	371,568,011	342,763,632	214,936,545