Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Class A and Class B Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income/(Loss)	Accumulated Deficit	Non- Controlling Interest
Balances beginning ( in shares) at Dec. 31, 2022		604,674
Balance beginning at Dec. 31, 2022	$ 305,035	$ 59	$ 2,213,603	$ 671	$ (1,908,307)	$ (991)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		2,263
Issuance of common stock upon exercise of stock options	5,913	$ 1	5,912
Issuance of common stock under Employee Stock Purchase Plan (in shares)		639
Issuance of common stock under Employee Stock Purchase Plan	19,921		19,921
Vesting of restricted stock units (in shares)		2,911
Stock-based compensation expense	184,904		184,904
Other comprehensive income/(loss)	(643)			(609)		(34)
Net loss	(269,948)				(268,313)	(1,635)
Balance ending (Shares) at Mar. 31, 2023		610,487
Balance ending at Mar. 31, 2023	$ 245,182	$ 60	2,424,340	62	(2,176,620)	(2,660)
Balances beginning ( in shares) at Dec. 31, 2023	631,221	631,221
Balance beginning at Dec. 31, 2023	$ 68,626	$ 61	3,134,946	1,536	(3,060,253)	(7,664)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	2,594	2,594
Issuance of common stock upon exercise of stock options	$ 7,796		7,796
Issuance of common stock under Employee Stock Purchase Plan (in shares)		1,085
Issuance of common stock under Employee Stock Purchase Plan	24,742		24,742
Vesting of restricted stock units (in shares)		4,834
Stock-based compensation expense	240,502		240,502
Other comprehensive income/(loss)	(7,059)			(7,125)		66
Net loss	$ (271,920)				(270,604)	(1,316)
Balance ending (Shares) at Mar. 31, 2024	639,734	639,734
Balance ending at Mar. 31, 2024	$ 62,687	$ 61	$ 3,407,986	$ (5,589)	$ (3,330,857)	$ (8,914)