Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Commitments And Contingencies [Line Items]
Operating lease expense		$ 0.9	$ 0.9	$ 2.6	$ 2.6
Cash paid		$ 0.9	$ 0.8	$ 2.5	$ 1.9
Torrey Plaza
Commitments And Contingencies [Line Items]
Operating lease commencement date	Apr. 01, 2022
Operating lease term of contract	130 months
Operating lease, option to extend				option to extend
Operating lease, existence of option to extend	true
Operating lease, renewal term	5 years
Operating lease, weighted average remaining lease term		8 years 3 months 18 days		8 years 3 months 18 days
Operating lease, weighted average discount rate		8.00%		8.00%
Letter of credit	$ 0.8
Torrey Plaza | Letter of Credit [Member]
Commitments And Contingencies [Line Items]
Percentage of letter of credit subject to certain conditions	50.00%
Cell Line License Agreement | Wu Xi Biologics
Commitments And Contingencies [Line Items]
Non-refundable license fee paid				$ 0.2
Maximum payment to buy out royalty obligation				$ 15.0