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Balance Sheet Components - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Total property and equipment	$ 13,372	$ 25,837	$ 7,362
Less: accumulated depreciation	(838)	(3,207)	(855)
Total property and equipment, net	12,534	22,630	6,507
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Total property and equipment	1,264	321	3
Computers and Network Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	0	251	108
Lab Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	0	12,521	6,680
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment	12,108	304	94
Construction in Progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 0	$ 12,440	$ 477

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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