Income Taxes - Schedule of Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net federal operating loss carryforward	$ 114,889	$ 96,156
Net foreign operating loss carryforward	697	2,795
Net state operating loss carryforward	34,365	32,029
Non-cash compensation	20,007	11,028
Research and development credits	21,034	15,016
Interest expense	1,327	319
Intangible asset	4,242	10,422
Accrued expenses	6,058	2,113
Setion 174 capitlization	22,248	14,541
Other	315	110
Deferred tax asset, excluding valuation allowance	225,182	184,529
Deferred tax liabilities:
Fixed assets	(78)
Lease asset	(1,661)	(104)
Deferred tax liability, excluding valuation allowance	(1,739)	(104)
Less valuation allowance	$ (223,443)	$ (184,425)