CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Previously Reported	Change in accounting policy	Treasury Stock	Treasury Stock Previously Reported	Additional paid-in capital	Additional paid-in capital Previously Reported	Accumulated deficit	Accumulated deficit Previously Reported	Accumulated deficit Change in accounting policy	Accumulated other comprehensive income (loss)	Accumulated other comprehensive income (loss) Previously Reported	Common Class A	Common Class A Common stock	Common Class A Common stock Previously Reported	Common Class A Common stock RSUs	Common Class B	Common Class B Common stock	Common Class B Common stock Previously Reported	Common Class B Common stock RSUs
Beginning balance (in shares) at Dec. 31, 2022														383,998,718	383,998,718			94,394,852	94,394,852
Beginning balance (in shares) at Dec. 31, 2022				2,072,752	2,072,752
Beginning balance at Dec. 31, 2022	$ 356,887	$ 347,738	$ 9,149	$ (6,509)	$ (6,509)	$ 2,319,157	$ 2,319,157	$ (1,946,433)	$ (1,955,582)	$ 9,149	$ (9,374)	$ (9,374)		$ 37	$ 37			$ 9	$ 9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance for exercise of stock options, net of early exercise liability (in shares)														1,240
Stock issuance for exercise of stock options, net of early exercise liability	848					848
Stock-based compensation	38,617					38,617
Vested restricted stock units (in shares)																5,390,973				1,773,104
Unrealized holdings gain on investment securities, available for sale	2,343										2,343
Conversion from Class B Common Stock to Class A Common Stock (in shares)														7,672,463				(7,672,463)
Treasury stock acquired (in shares)				2,933,721										(2,933,721)
Treasury stock acquired	(2,982)			$ (2,982)
Net loss	(72,606)							(72,606)
Ending balance (in shares) at Mar. 31, 2023														394,129,673				88,495,493
Ending balance (in shares) at Mar. 31, 2023				5,006,473
Ending balance at Mar. 31, 2023	$ 323,107			$ (9,491)		2,358,622		(2,019,039)			(7,031)			$ 37				$ 9
Beginning balance (in shares) at Dec. 31, 2023													401,183,882		401,183,882		87,867,732		87,867,732
Beginning balance (in shares) at Dec. 31, 2023	7,912,750				7,912,750
Beginning balance at Dec. 31, 2023	$ 286,394	$ 286,394			$ (12,729)		$ 2,461,238		$ (2,159,794)			$ (2,370)			$ 40				$ 9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance for exercise of stock options, net of early exercise liability (in shares)														83
Stock issuance for exercise of stock options, net of early exercise liability	0
Stock-based compensation	28,798					28,798
Vested restricted stock units (in shares)																8,672,362				1,781,633
Vested restricted stock units	1													$ 1
Unrealized holdings gain on investment securities, available for sale	(190)										(190)
Conversion from Class B Common Stock to Class A Common Stock	0
Treasury stock acquired (in shares)				3,700,995										(3,700,995)
Treasury stock acquired	(3,359)			$ (3,359)
Issuance of Common Stock under Employee Stock Purchase Plan	0
Net loss	$ (19,170)							(19,170)
Ending balance (in shares) at Mar. 31, 2024													406,155,332	406,155,332			89,649,365	89,649,365
Ending balance (in shares) at Mar. 31, 2024	11,613,745			11,613,745
Ending balance at Mar. 31, 2024	$ 292,474			$ (16,088)		$ 2,490,036		$ (2,178,964)			$ (2,560)			$ 41				$ 9