Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue		$ 918,953	$ 713,225	$ 2,613,796	$ 2,049,335
Cost and expenses:
Cost of revenue	[1]	204,998	163,581	582,421	477,451
Developer exchange fees		231,536	170,719	642,211	519,002
Infrastructure and trust & safety		244,598	218,968	692,596	655,051
Research and development		365,424	321,613	1,089,173	912,469
General and administrative		98,733	97,508	302,184	291,279
Sales and marketing		52,592	40,874	124,416	97,957
Total cost and expenses		1,197,881	1,013,263	3,433,001	2,953,209
Loss from operations		(278,928)	(300,038)	(819,205)	(903,874)
Interest income		46,718	36,442	133,271	102,288
Interest expense		(10,286)	(10,268)	(30,853)	(30,409)
Other income/(expense), net		2,352	(4,262)	(1,309)	(1,425)
Loss before income taxes		(240,144)	(278,126)	(718,096)	(833,420)
Provision for/(benefit from) income taxes		303	682	1,466	177
Consolidated net loss		(240,447)	(278,808)	(719,562)	(833,597)
Net loss attributable to noncontrolling interest		(1,123)	(1,650)	(3,751)	(5,349)
Net loss attributable to common stockholders		$ (239,324)	$ (277,158)	$ (715,811)	$ (828,248)
Net loss per share attributable to common stockholders, basic (in dollars per share)		$ (0.37)	$ (0.45)	$ (1.11)	$ (1.35)
Net loss per share attributable to common stockholders, diluted (in dollars per share)		$ (0.37)	$ (0.45)	$ (1.11)	$ (1.35)
Weighted-average shares used in computing net loss per share attributable to common stockholders—basic (in shares)		650,961	619,350	642,977	612,938
Weighted-average shares used in computing net loss per share attributable to common stockholders—diluted (in shares)		650,961	619,350	642,977	612,938

[1] Depreciation of servers and infrastructure equipment included in infrastructure and trust & safety.