Subleases (Details) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Jun. 30, 2022 ft² item	Jul. 31, 2021 ft² item	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) item	Sep. 30, 2022 USD ($)	Mar. 31, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Number of Non- cancelable agreements	2	2
Area of subleased property | ft²	99,000	99,000
Number of unaffiliated companies					2
Operating sublease income | $			$ 2,090	$ 2,090	$ 6,270	$ 3,330
Tenant improvement allowance | $			$ 6,490		$ 6,490		$ 6,500
South San Francisco | Sublease
Lessee, Lease, Description [Line Items]
Number of buildings in which office and laboratory space leased					2