Taxes - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating loss carryforwards	$ 31,469	$ 12,100
Capitalized research and development	25,055	10,326
Accrued liabilities and reserves	1,562	411
Stock-based compensation	4,602	1,887
Intangible assets	1,607	1,129
Operating lease liabilities	2,857	480
Research and development credits	7,400	1,633
Gross deferred tax assets	74,552	27,966
Valuation allowance	(71,512)	(27,432)
Total deferred tax assets	3,040	534
Deferred tax liabilities:
Property and equipment	(344)	(82)
Operating lease right-of-use assets	(2,696)	(452)
Total deferred tax liabilities	$ (3,040)	$ (534)