Warrants - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands						3 Months Ended		6 Months Ended
	Mar. 04, 2024	Feb. 28, 2024	Feb. 27, 2024	Jun. 13, 2023	Feb. 11, 2021	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Jan. 19, 2023
Class of Warrant or Right [Line Items]
Common stock, issued (in shares)						246,774,184		246,774,184		157,287,522
2023 Registered Direct Offering Warrants
Class of Warrant or Right [Line Items]
Number of securities called by warrant (in shares)			8,886,255
Exercise price (in usd per shares)										$ 2.32
Proceeds from warrant exercises			$ 20,600
Derivative gain (loss)							$ (1,881)	$ (10,100)	$ (1,881)
2023 Registered Direct Offering Warrants | Registered Direct Offering
Class of Warrant or Right [Line Items]
Common stock, issued (in shares)				11,848,341
Number of securities called by warrant (in shares)				0.75
Exercise price (in usd per shares)				$ 2.32
Class of warrant or right, exercisable (in shares)				8,886,255
Post issuance period				6 months
Warrants and rights outstanding, term (in years)				5 years
2024 RDO warrants
Class of Warrant or Right [Line Items]
Number of securities called by warrant (in shares)		5,800,000
Exercise price (in usd per shares)		$ 3.78				$ 3.78		$ 3.78
Derivative gain (loss)						$ 3,100		$ 8,400
Expiration period (in years)		5 years
Fair value of derivative liability						$ 6,800		$ 6,800
Warrants issued (in shares)						5,800,000		5,800,000
Warrants outstanding (in shares)						5,800,000		5,800,000
2023 PIPE warrants
Class of Warrant or Right [Line Items]
Number of securities called by warrant (in shares)	13,888,889
Exercise price (in usd per shares)											$ 2.39
Proceeds from warrant exercises	$ 33,200
Derivative gain (loss)							$ (1,250)	$ (32,200)	$ (11,774)
2023 PIPE warrants | Private Placement
Class of Warrant or Right [Line Items]
Common stock, issued (in shares)											13,888,889
Exercise price (in usd per shares)											$ 2.39
Class of warrant or right, number of securities called by warrants or rights (in shares)											13,888,889
Beneficial ownership percentage											4.99%
2024 PIPE warrants
Class of Warrant or Right [Line Items]
Number of securities called by warrant (in shares)	9,000,000
Exercise price (in usd per shares)	$ 4.75					$ 4.75		$ 4.75
Derivative gain (loss)						$ 4,800		$ 17,700
Expiration period (in years)	5 years
Fair value of derivative liability						$ 10,300		$ 10,300
Warrants issued (in shares)						9,000,000		9,000,000
Warrants outstanding (in shares)						9,000,000		9,000,000
IPO Public Warrants
Class of Warrant or Right [Line Items]
Number of securities called by warrant (in shares)					1
Exercise price (in usd per shares)					$ 11.50
Warrants issued (in shares)						12,168,378		12,168,378		12,168,378
Warrants outstanding (in shares)						12,168,378		12,168,378		12,168,378
Class of warrant or right, redemption price (in usd per share)					$ 0.01
Minimum period of prior written notice of redemption of warrants					30 days
Warrants redemption covenant threshold trading period					20 days
Warrants redemption covenant threshold consecutive trading period					30 days			3 days
IPO Public Warrants | Minimum
Class of Warrant or Right [Line Items]
Minimum strike price (in usd per share)					$ 18.00
IPO Private Warrants
Class of Warrant or Right [Line Items]
Exercise price (in usd per shares)						$ 11.50		$ 11.50		$ 11.50
Fair value of derivative liability						$ 0		$ 0		$ 100
Warrants issued (in shares)						157,394		157,394		157,394
Warrants outstanding (in shares)						157,394		157,394		157,394