CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Underwriting Agreement	Private Placement	Common Stock	Common Stock Underwriting Agreement	Common Stock Private Placement	Additional Paid-In Capital	Additional Paid-In Capital Underwriting Agreement	Additional Paid-In Capital Private Placement	Treasury Stock	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021				1,647,555,590
Beginning balance at Dec. 31, 2021	$ 3,909,355			$ 165			$ 9,995,778			$ (20,716)	$ 0	$ (6,065,872)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(831,812)											(831,812)
Other comprehensive income (loss)	(13,266)										(13,266)
Tax withholding payments for net settlement of employee awards	(212,895)						(212,895)
Issuance of common stock upon vesting of employee RSUs (in shares)				13,142,048
Issuance of common stock upon vesting of employee RSUs	0			$ 1			(1)
Issuance of common stock under employee stock purchase plan (in shares)				751,036
Issuance of common stock under employee stock purchase plan	12,882						12,882
Issuance of common stock upon exercise of stock options (in shares)				18,698,664
Issuance of common stock upon exercise of stock options	14,738			$ 2			14,736
Stock-based compensation	352,245						352,245
Ending balance (in shares) at Sep. 30, 2022				1,680,147,338
Ending balance at Sep. 30, 2022	3,231,247			$ 168			10,162,745			(20,716)	(13,266)	(6,897,684)
Beginning balance (in shares) at Jun. 30, 2022				1,672,543,611
Beginning balance at Jun. 30, 2022	3,710,386			$ 167			10,099,209			(20,716)	(691)	(6,367,583)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(530,101)											(530,101)
Other comprehensive income (loss)	(12,575)										(12,575)
Tax withholding payments for net settlement of employee awards	(21,654)						(21,654)
Issuance of common stock upon vesting of employee RSUs (in shares)				5,100,389
Issuance of common stock upon exercise of stock options (in shares)				2,503,338
Issuance of common stock upon exercise of stock options	1,889			$ 1			1,888
Stock-based compensation	83,302						83,302
Ending balance (in shares) at Sep. 30, 2022				1,680,147,338
Ending balance at Sep. 30, 2022	$ 3,231,247			$ 168			10,162,745			(20,716)	(13,266)	(6,897,684)
Beginning balance (in shares) at Dec. 31, 2022	1,829,314,736			1,829,314,736
Beginning balance at Dec. 31, 2022	$ 4,349,701			$ 183			11,752,138			(20,716)	(11,572)	(7,370,332)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,174,654)											(2,174,654)
Other comprehensive income (loss)	1,209										1,209
Tax withholding payments for net settlement of employee awards	(14,705)						(14,705)
Issuance of common stock upon vesting of employee RSUs (in shares)				11,607,793
Issuance of common stock upon vesting of employee RSUs	0			$ 2			(2)
Issuance of common stock under employee stock purchase plan (in shares)				2,287,592
Issuance of common stock under employee stock purchase plan	$ 15,089						15,089
Issuance of common stock upon exercise of stock options (in shares)	6,827,738			6,827,738
Issuance of common stock upon exercise of stock options	$ 7,321						7,321
Issuance of common stock under agreement (in shares)					173,544,948	265,693,703
Issuance of common stock under agreement		$ 1,184,224	$ 1,812,641		$ 17	$ 27		$ 1,184,207	$ 1,812,614
Stock-based compensation	$ 225,189						225,189
Ending balance (in shares) at Sep. 30, 2023	2,289,276,510			2,289,276,510
Ending balance at Sep. 30, 2023	$ 5,406,015			$ 229			14,981,851			(20,716)	(10,363)	(9,544,986)
Beginning balance (in shares) at Jun. 30, 2023				2,282,278,815
Beginning balance at Jun. 30, 2023	5,959,840			$ 228			14,904,370			(20,716)	(9,950)	(8,914,092)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(630,894)											(630,894)
Other comprehensive income (loss)	(413)										(413)
Tax withholding payments for net settlement of employee awards	(4,327)						(4,327)
Issuance of common stock upon vesting of employee RSUs (in shares)				5,172,059
Issuance of common stock upon vesting of employee RSUs	0			$ 1			(1)
Issuance of common stock upon exercise of stock options (in shares)				1,825,636
Issuance of common stock upon exercise of stock options	2,214						2,214
Stock-based compensation	$ 79,595						79,595
Ending balance (in shares) at Sep. 30, 2023	2,289,276,510			2,289,276,510
Ending balance at Sep. 30, 2023	$ 5,406,015			$ 229			$ 14,981,851			$ (20,716)	$ (10,363)	$ (9,544,986)