Balance Sheet Details - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Total property and equipment	$ 88,898	$ 16,477
Less: accumulated depreciation and amortization	(9,272)	(6,117)
Property and equipment, net	79,626	10,360
Furniture and Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	1,608	1,608
Computers and Computer Software
Property Plant And Equipment [Line Items]
Total property and equipment	771	416
Lab Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	25,110	13,100
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment	1,460	1,353
Manufacturing equipment and auxiliary
Property Plant And Equipment [Line Items]
Total property and equipment	8,134	0
Manufacturing facility and equipment construction-in-progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 51,815	$ 0