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Research License Agreements - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2018	Dec. 31, 2015
Research And Development Arrangement Contract To Perform For Others [Line Items]
Research and development	$ 14,654	$ 18,850	$ 45,378	$ 48,682
UT Austin License | University
Research And Development Arrangement Contract To Perform For Others [Line Items]
License maintenance fees						$ 40
Additional milestone payments payable upon meeting certain development milestones						$ 4,700
Royalties terms			The Company will pay the University royalties as defined in the UT Austin License on any commercialized product sales related to the licensed technology in a percentage in the low single digits.
AskAt License
Research And Development Arrangement Contract To Perform For Others [Line Items]
Research and development					$ 28,500
License agreement, termination month and year			2024-03

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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