Condensed Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit
Beginning balance (in shares) at Dec. 31, 2022		82,923,000
Beginning balance at Dec. 31, 2022	$ 134,333	$ 830	$ 4,185,988	$ (4,070)	$ (4,048,415)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock units (in shares)		382,000
Vesting of restricted stock units	(195)	$ 3	(198)
Exercise of stock options (in shares)		3,000
Exercise of stock options	7		7
Purchase of common stock under employee stock purchase plan (ESPP) (in shares)		62,000
Purchase of common stock under employee stock purchase plan (ESPP)	227	$ 1	226
Issuance of common stock (in shares)		23,000,000
Issuance of common stock	130,291	$ 230	130,061
Stock-based compensation expense	5,843		5,843
Other comprehensive income (loss)	984			984
Net income (loss)	18,930				18,930
Ending balance, shares (in shares) at Mar. 31, 2023		106,370,000
Ending balance at Mar. 31, 2023	290,420	$ 1,064	4,321,927	(3,086)	(4,029,485)
Beginning balance (in shares) at Dec. 31, 2022		82,923,000
Beginning balance at Dec. 31, 2022	134,333	$ 830	4,185,988	(4,070)	(4,048,415)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	1,843
Net income (loss)	(131,091)
Ending balance, shares (in shares) at Sep. 30, 2023		107,022,000
Ending balance at Sep. 30, 2023	152,834	$ 1,071	4,333,496	(2,227)	(4,179,506)
Beginning balance (in shares) at Mar. 31, 2023		106,370,000
Beginning balance at Mar. 31, 2023	290,420	$ 1,064	4,321,927	(3,086)	(4,029,485)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock units (in shares)		65,000
Vesting of restricted stock units	0	$ 1	(1)
Exercise of stock options (in shares)		19,000
Exercise of stock options	77		77
Stock-based compensation expense	6,388		6,388
Other comprehensive income (loss)	722			722
Net income (loss)	(62,789)				(62,789)
Ending balance, shares (in shares) at Jun. 30, 2023		106,454,000
Ending balance at Jun. 30, 2023	234,818	$ 1,065	4,328,391	(2,364)	(4,092,274)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock units (in shares)		566,000
Vesting of restricted stock units	0	$ 6	(6)
Exercise of stock options (in shares)		2,000
Exercise of stock options	8		8
Issuance of common stock	(50)		(50)
Stock-based compensation expense	5,153		5,153
Other comprehensive income (loss)	137			137
Net income (loss)	(87,232)				(87,232)
Ending balance, shares (in shares) at Sep. 30, 2023		107,022,000
Ending balance at Sep. 30, 2023	$ 152,834	$ 1,071	4,333,496	(2,227)	(4,179,506)
Beginning balance (in shares) at Dec. 31, 2023	192,772,000	192,772,000
Beginning balance at Dec. 31, 2023	$ 194,537	$ 1,905	4,454,756	(1,796)	(4,260,328)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock units (in shares)		811,000
Vesting of restricted stock units	0	$ 8	(8)
Issuance of warrants	(2,571)		(2,571)
Stock-based compensation expense	4,054		4,054
Other comprehensive income (loss)	(312)			(312)
Net income (loss)	(69,804)				(69,804)
Ending balance, shares (in shares) at Mar. 31, 2024		193,583,000
Ending balance at Mar. 31, 2024	$ 131,046	$ 1,913	4,461,373	(2,108)	(4,330,132)
Beginning balance (in shares) at Dec. 31, 2023	192,772,000	192,772,000
Beginning balance at Dec. 31, 2023	$ 194,537	$ 1,905	4,454,756	(1,796)	(4,260,328)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	0
Other comprehensive income (loss)	$ 285
Net income (loss)	$ (212,003)
Ending balance, shares (in shares) at Sep. 30, 2024	193,917,000	193,917,000
Ending balance at Sep. 30, 2024	$ (5,786)	$ 1,917	4,466,141	(1,511)	(4,472,333)
Beginning balance (in shares) at Mar. 31, 2024		193,583,000
Beginning balance at Mar. 31, 2024	131,046	$ 1,913	4,461,373	(2,108)	(4,330,132)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock units (in shares)		185,000
Vesting of restricted stock units	0	$ 2	(2)
Purchase of common stock under employee stock purchase plan (ESPP) (in shares)		88,000
Purchase of common stock under employee stock purchase plan (ESPP)	81	$ 1	80
Stock-based compensation expense	3,261		3,261
Other comprehensive income (loss)	(14)			(14)
Net income (loss)	(81,393)				(81,393)
Ending balance, shares (in shares) at Jun. 30, 2024		193,856,000
Ending balance at Jun. 30, 2024	52,981	$ 1,916	4,464,712	(2,122)	(4,411,525)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock units (in shares)		61,000
Vesting of restricted stock units	0	$ 1	(1)
Reclassification of warrants to liability upon modification	(1,945)		(1,945)
Stock-based compensation expense	3,375		3,375
Other comprehensive income (loss)	611			611
Net income (loss)	$ (60,808)				(60,808)
Ending balance, shares (in shares) at Sep. 30, 2024	193,917,000	193,917,000
Ending balance at Sep. 30, 2024	$ (5,786)	$ 1,917	$ 4,466,141	$ (1,511)	$ (4,472,333)