CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional paid-in capital	Treasury stock	Accumulated other comprehensive loss	Accumulated deficit
Balance at Dec. 31, 2022	$ (34,667)	$ 11	$ 933,537	$ (25,097)	$ (10,794)	$ (932,324)
Balance, shares at Dec. 31, 2022		106,640
Stock-based compensation	16,462		16,462
Common stock issued for warrant exercises	457	$ 1	456
Common stock issued for warrant exercises, shares		4,443
Common stock issued for stock option exercises	768		768
Common stock issued for stock option exercises, shares		349
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability	(2,331)		(2,331)
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares		2,027
Reclassification of equity-based liability	3,373		3,373
Foreign currency translation adjustments	1,105				1,105
Net loss	(43,529)					(43,529)
Balance at Mar. 31, 2023	(58,362)	$ 12	952,265	(25,097)	(9,689)	(975,853)
Balance, shares at Mar. 31, 2023		113,459
Balance at Dec. 31, 2022	(34,667)	$ 11	933,537	(25,097)	(10,794)	(932,324)
Balance, shares at Dec. 31, 2022		106,640
Foreign currency translation adjustments	(1,317)
Net loss	(137,560)
Balance at Sep. 30, 2023	(44,161)	$ 12	1,062,919	(25,097)	(12,111)	(1,069,884)
Balance, shares at Sep. 30, 2023		123,311
Balance at Mar. 31, 2023	(58,362)	$ 12	952,265	(25,097)	(9,689)	(975,853)
Balance, shares at Mar. 31, 2023		113,459
Stock-based compensation	24,194		24,194
Common stock issued for warrant exercises	172		172
Common stock issued for warrant exercises, shares		1,121
Common stock issued for employee stock purchase plan and stock option exercises, shares		274
Common stock issued for employee stock purchase plan and stock option exercises	2,277		2,277
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability	(2,934)		(2,934)
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares		2,711
Common stock offering, net of offering costs	57,511		57,511
Common stock offering, net of offering costs, shares		4,286
Reclassification of equity-based liability	188		188
Foreign currency translation adjustments	178				178
Net loss	(51,377)					(51,377)
Balance at Jun. 30, 2023	(28,153)	$ 12	1,033,673	(25,097)	(9,511)	(1,027,230)
Balance, shares at Jun. 30, 2023		121,851
Stock-based compensation	20,073		20,073
Common stock issued for stock option exercises	38		38
Common stock issued for stock option exercises, shares		8
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability	(782)		(782)
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares		784
Common stock offering, net of offering costs	9,917		9,917
Common stock offering, net of offering costs, shares		668
Foreign currency translation adjustments	(2,600)				(2,600)
Net loss	(42,654)					(42,654)
Balance at Sep. 30, 2023	(44,161)	$ 12	1,062,919	(25,097)	(12,111)	(1,069,884)
Balance, shares at Sep. 30, 2023		123,311
Balance at Dec. 31, 2023	78,116	$ 14	1,230,484	(25,097)	(8,323)	(1,118,962)
Balance, shares at Dec. 31, 2023		139,245
Stock-based compensation	17,322		17,322
Common stock issued for warrant exercises	150		150
Common stock issued for warrant exercises, shares		30
Common stock issued for stock option exercises	156		156
Common stock issued for stock option exercises, shares		56
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability	(7,560)		(7,560)
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares		3,079
Reclassification of equity-based liability	327		327
Foreign currency translation adjustments	(2,464)				(2,464)
Net loss	(48,495)					(48,495)
Balance at Mar. 31, 2024	37,552	$ 14	1,240,879	(25,097)	(10,787)	(1,167,457)
Balance, shares at Mar. 31, 2024		142,410
Balance at Dec. 31, 2023	78,116	$ 14	1,230,484	(25,097)	(8,323)	(1,118,962)
Balance, shares at Dec. 31, 2023		139,245
Foreign currency translation adjustments	(89)
Net loss	(128,791)
Balance at Sep. 30, 2024	(1,362)	$ 14	1,279,886	(25,097)	(8,412)	(1,247,753)
Balance, shares at Sep. 30, 2024		143,907
Balance at Mar. 31, 2024	37,552	$ 14	1,240,879	(25,097)	(10,787)	(1,167,457)
Balance, shares at Mar. 31, 2024		142,410
Stock-based compensation	16,960		16,960
Common stock issued for employee stock purchase plan and stock option exercises, shares		283
Common stock issued for employee stock purchase plan and stock option exercises	2,524		2,524
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability	(265)		(265)
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares		303
Common stock issued for asset acquisition	250		250
Common stock issued for asset acquisition, shares		18
Reclassification of equity-based liability	1,512		1,512
Foreign currency translation adjustments	(742)				(742)
Net loss	(40,680)					(40,680)
Balance at Jun. 30, 2024	17,111	$ 14	1,261,860	(25,097)	(11,529)	(1,208,137)
Balance, shares at Jun. 30, 2024		143,014
Stock-based compensation	17,462		17,462
Common stock issued for warrant exercises	65		65
Common stock issued for warrant exercises, shares		13
Common stock issued for stock option exercises	226		226
Common stock issued for stock option exercises, shares		78
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability	(95)		(95)
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares		802
Reclassification of equity-based liability	368		368
Foreign currency translation adjustments	3,117				3,117
Net loss	(39,616)					(39,616)
Balance at Sep. 30, 2024	$ (1,362)	$ 14	$ 1,279,886	$ (25,097)	$ (8,412)	$ (1,247,753)
Balance, shares at Sep. 30, 2024		143,907