Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue		$ 680,766	$ 591,207	$ 1,336,110	$ 1,128,341
Cost and expenses:
Cost of revenue	[1]	162,029	143,157	313,870	278,789
Developer exchange fees		165,843	143,148	348,283	290,270
Infrastructure and trust & safety		225,039	158,235	436,083	299,590
Research and development		315,319	211,757	590,856	389,519
General and administrative		96,197	78,676	193,771	136,448
Sales and marketing		30,328	26,501	57,083	55,603
Total cost and expenses		994,755	761,474	1,939,946	1,450,219
Loss from operations		(313,989)	(170,267)	(603,836)	(321,878)
Interest income		34,764	4,197	65,846	4,442
Interest expense		(10,129)	(9,891)	(20,141)	(19,890)
Other income/(expense), net		3,277	(3,051)	2,837	(3,430)
Loss before income taxes		(286,077)	(179,012)	(555,294)	(340,756)
Provision for/(benefit from) income taxes		(1,236)	(278)	(505)	(2)
Consolidated net loss		(284,841)	(178,734)	(554,789)	(340,754)
Net loss attributable to noncontrolling interests		(2,064)	(2,294)	(3,699)	(4,112)
Net loss attributable to common stockholders		$ (282,777)	$ (176,440)	$ (551,090)	$ (336,642)
Net loss per share attributable to common stockholders, basic (in dollars per share)		$ (0.46)	$ (0.30)	$ (0.90)	$ (0.57)
Net loss per share attributable to common stockholders, diluted (in dollars per share)		$ (0.46)	$ (0.30)	$ (0.90)	$ (0.57)
Weighted-average shares used in computing net loss per share attributable to common stockholders—basic (in shares)		612,689	593,928	609,680	591,252
Weighted-average shares used in computing net loss per share attributable to common stockholders—diluted (in shares)		612,689	593,928	609,680	591,252

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