Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue		$ 893,543	$ 680,766	$ 1,694,843	$ 1,336,110
Cost and expenses:
Cost of revenue	[1]	198,557	162,029	377,423	313,870
Developer exchange fees		208,270	165,843	410,675	348,283
Infrastructure and trust & safety		221,064	225,039	447,998	436,083
Research and development		361,684	315,319	723,749	590,856
General and administrative		105,627	96,197	203,451	193,771
Sales and marketing		36,290	30,328	71,824	57,083
Total cost and expenses		1,131,492	994,755	2,235,120	1,939,946
Loss from operations		(237,949)	(313,989)	(540,277)	(603,836)
Interest income		44,383	34,764	86,553	65,846
Interest expense		(10,204)	(10,129)	(20,567)	(20,141)
Other income/(expense), net		(3,315)	3,277	(3,661)	2,837
Loss before income taxes		(207,085)	(286,077)	(477,952)	(555,294)
Provision for/(benefit from) income taxes		110	(1,236)	1,163	(505)
Consolidated net loss		(207,195)	(284,841)	(479,115)	(554,789)
Net loss attributable to noncontrolling interests		(1,312)	(2,064)	(2,628)	(3,699)
Net loss attributable to common stockholders		$ (205,883)	$ (282,777)	$ (476,487)	$ (551,090)
Net loss per share attributable to common stockholders, basic (in dollars per share)		$ (0.32)	$ (0.46)	$ (0.75)	$ (0.90)
Net loss per share attributable to common stockholders, diluted (in dollars per share)		$ (0.32)	$ (0.46)	$ (0.75)	$ (0.90)
Weighted-average shares used in computing net loss per share attributable to common stockholders—basic (in shares)		642,814	612,689	638,917	609,680
Weighted-average shares used in computing net loss per share attributable to common stockholders—diluted (in shares)		642,814	612,689	638,917	609,680

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