CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (loss)	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2021		400,095,000
Beginning balance at Dec. 31, 2021	$ 1,091,596	$ 4,001	$ 2,045,572	$ (957,677)		$ (300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(50,315)			(50,087)		(228)
Other comprehensive income (loss)	(5,098)				$ (5,098)
Exercise of stock options (in shares)		11,392,000
Exercise of stock options	31,462	$ 113	31,349
Vesting of restricted stock units (in shares)		289,000
Vesting of restricted stock units	0	$ 3	(3)
Shares withheld related to net share settlement (in shares)		(35,000)
Shares withheld related to net share settlement	(786)		(786)
Stock-based compensation expense	18,430		18,430
Ending balance, (in shares) at Sep. 30, 2022		411,741,000
Ending balance at Sep. 30, 2022	1,085,289	$ 4,117	2,094,562	(1,007,764)	(5,098)	(528)
Beginning balance (in shares) at Jun. 30, 2022		408,204,000
Beginning balance at Jun. 30, 2022	1,103,371	$ 4,082	2,076,329	(977,096)	513	(457)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(30,739)			(30,668)		(71)
Other comprehensive income (loss)	(5,611)				(5,611)
Exercise of stock options (in shares)		3,390,000
Exercise of stock options	10,389	$ 33	10,356
Vesting of restricted stock units (in shares)		149,000
Vesting of restricted stock units	0	$ 2	(2)
Shares withheld related to net share settlement (in shares)		(2,000)
Shares withheld related to net share settlement	(28)		(28)
Stock-based compensation expense	7,907		7,907
Ending balance, (in shares) at Sep. 30, 2022		411,741,000
Ending balance at Sep. 30, 2022	$ 1,085,289	$ 4,117	2,094,562	(1,007,764)	(5,098)	(528)
Beginning balance (in shares) at Dec. 31, 2022	412,385,000	412,385,000
Beginning balance at Dec. 31, 2022	$ 1,040,609	$ 4,124	2,106,886	(1,064,230)	(5,560)	(611)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(32,319)			(32,163)		(156)
Other comprehensive income (loss)	(670)				(670)
Exercise of stock options (in shares)		2,691,000
Exercise of stock options	13,268	$ 27	13,241
Vesting of restricted stock units (in shares)		584,000
Vesting of restricted stock units	0	$ 6	(6)
Shares withheld related to net share settlement (in shares)		(65,000)
Shares withheld related to net share settlement	(1,806)	$ (1)	(1,805)
Common stock repurchase (in shares)		(9,615,000)
Common stock repurchase	(201,462)	$ (96)	(201,366)
Stock-based compensation expense	$ 53,980		53,980
Ending balance, (in shares) at Sep. 30, 2023	405,980,000	405,980,000
Ending balance at Sep. 30, 2023	$ 871,600	$ 4,060	1,970,930	(1,096,393)	(6,230)	(767)
Beginning balance (in shares) at Jun. 30, 2023		405,427,000
Beginning balance at Jun. 30, 2023	879,446	$ 4,054	1,947,438	(1,064,957)	(6,369)	(720)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(31,483)			(31,436)		(47)
Other comprehensive income (loss)	139				139
Exercise of stock options (in shares)		424,000
Exercise of stock options	2,723	$ 5	2,718
Vesting of restricted stock units (in shares)		132,000
Vesting of restricted stock units	0	$ 1	(1)
Shares withheld related to net share settlement (in shares)		(3,000)
Shares withheld related to net share settlement	(63)		(63)
Common stock repurchase	102		102
Stock-based compensation expense	$ 20,736		20,736
Ending balance, (in shares) at Sep. 30, 2023	405,980,000	405,980,000
Ending balance at Sep. 30, 2023	$ 871,600	$ 4,060	$ 1,970,930	$ (1,096,393)	$ (6,230)	$ (767)