CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 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 loss	Accumulated other comprehensive 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 A Common stock PRSUs	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, 2021														352,645,626					118,206,768
Beginning balance at Dec. 31, 2021	$ 540,040			$ (147)		$ 2,154,187		$ (1,616,015)			$ (1,934)			$ 34					$ 12
Beginning balance (in shares) at Dec. 31, 2021				14,730
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance for exercise of stock options, net of early exercise liability (in shares)														4,367,985
Stock issuance for exercise of stock options, net of early exercise liability	1,400					1,400
Stock-based compensation	164,305					164,305
Vested restricted stock units (in shares)																2,974,581	8,951				1,677,873
Unrealized holdings gain on investment securities, available for sale	(7,440)										(7,440)
Conversion from class B common stock to class A common stock (in shares)														25,489,789					(25,489,789)
Conversion from class B common stock to class A common stock														$ 3					$ (3)
Treasury stock (in shares)				2,058,022										(2,058,022)
Treasury stock	(6,362)			$ (6,362)
Issuance of common stock under employee stock purchase plan (in shares)														569,808
Activities from seek dissolution	(735)					(735)
Derecognition of non-controlling interest	(3,903)
Net loss	(339,567)							(339,567)
Ending balance (in shares) at Dec. 31, 2022														383,998,718	383,998,718				94,394,852	94,394,852
Ending 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
Ending balance (in shares) at Dec. 31, 2022				2,072,752	2,072,752
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance for exercise of stock options, net of early exercise liability (in shares)														79,189
Stock issuance for exercise of stock options, net of early exercise liability	34					34
Stock-based compensation	140,931					140,931
Vested restricted stock units (in shares)																14,117,561					1,773,104
Vested restricted stock units	2													$ 2
Unrealized holdings gain on investment securities, available for sale	7,004										7,004
Conversion from class B common stock to class A common stock (in shares)														8,300,224					(8,300,224)
Conversion from class B common stock to class A common stock	1													$ 1
Treasury stock (in shares)				5,839,998										(5,839,998)
Treasury stock	(6,220)			$ (6,220)
Issuance of common stock under employee stock purchase plan (in shares)														528,188
Issuance of common stock under employee stock purchase plan	1,116					1,116
Derecognition of non-controlling interest	0
Net loss	(213,361)							(213,361)
Ending balance (in shares) at Dec. 31, 2023													401,183,882	401,183,882				87,867,732	87,867,732
Ending balance at Dec. 31, 2023	$ 286,394			$ (12,729)		2,461,238		(2,159,794)			(2,370)			$ 40					$ 9
Ending balance (in shares) at Dec. 31, 2023	7,912,750			7,912,750
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance for exercise of stock options, net of early exercise liability (in shares)														409,594
Stock issuance for exercise of stock options, net of early exercise liability	$ 709					709
Stock-based compensation	114,331					114,331
Vested restricted stock units (in shares)																22,671,645					1,781,633
Vested restricted stock units	2													$ 2
Unrealized holdings gain on investment securities, available for sale	786										786
Conversion from class B common stock to class A common stock (in shares)														617,060					(617,060)
Treasury stock (in shares)				9,001,888										(9,001,888)
Treasury stock	(16,491)			$ (16,490)										$ (1)
Issuance of common stock under employee stock purchase plan (in shares)														451,067
Issuance of common stock under employee stock purchase plan	193					193
Stock repurchased during period (in shares)				1,838,309										(1,838,309)
Repurchases of common stock	(1,772)			$ (1,772)
Derecognition of non-controlling interest	0
Net loss	(43,009)							(43,009)
Ending balance (in shares) at Dec. 31, 2024													414,493,051	414,493,051				89,032,305	89,032,305
Ending balance at Dec. 31, 2024	$ 341,143			$ (30,991)		$ 2,576,471		$ (2,202,803)			$ (1,584)			$ 41					$ 9
Ending balance (in shares) at Dec. 31, 2024	18,752,947			18,752,947