Fair Value Measurements - Schedule of Changes in Fair Values (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 2,373	$ 741
Fair value upon issuance		834
Change in fair value	$ (548)	$ 821
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Fair Value Adjustment of Warrants	Fair Value Adjustment of Warrants
Exercise of warrants	$ (75)	$ (23)
Derecognition of liability to equity	(929)
Ending Balance	821	2,373
Preferred Stock Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	1,777	510
Fair value upon issuance		834
Change in fair value	(720)	456
Exercise of warrants	(75)	(23)
Derecognition of liability to equity	(340)
Ending Balance	642	1,777
Common Stock Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	596	231
Change in fair value	172	365
Derecognition of liability to equity	(589)
Ending Balance	179	596
Public Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	178	159
Fair value upon issuance	133,609
Change in fair value	(17,147)	19
Change in fair value - OCI	700
Payments	(11,842)
Derecognition of liability to equity	(37,799)
Ending Balance	67,699	178
Public Warrants | Success Fee Derivative Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	178	159
Change in fair value	(164)	19
Ending Balance	14	$ 178
Public Warrants | 2023 Convertible Notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value upon issuance	28,700
Change in fair value	3,751
Payments	(10,750)
Derecognition of liability to equity	(21,701)
Public Warrants | PubCo Share Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value upon issuance	3,370
Change in fair value	(642)
Derecognition of liability to equity	(2,728)
Public Warrants | Base PubCo and Backstop Share Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value upon issuance	3,264
Change in fair value	10,106
Derecognition of liability to equity	(13,370)
Public Warrants | Term Loan Derivative Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value upon issuance	1,895
Ending Balance	1,895
Public Warrants | Revenue Interest Financing
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value upon issuance	40,000
Change in fair value	(3,408)
Change in fair value - OCI	700
Payments	(1,092)
Ending Balance	36,200
Public Warrants | PIPE Conversion Derivative
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value upon issuance	3,340
Change in fair value	2,260
Ending Balance	5,600
Public Warrants | Earn-Out Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value upon issuance	53,040
Change in fair value	(29,050)
Ending Balance	$ 23,990