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Acquisitions of Assets - Additional Information (Details) shares in Millions		1 Months Ended			3 Months Ended	6 Months Ended	12 Months Ended
	Jul. 31, 2025 USD ($)	May 31, 2024 USD ($)	Nov. 30, 2023 USD ($)	Sep. 30, 2021 USD ($) Agreements shares	Dec. 31, 2023 USD ($)	Jun. 30, 2026 USD ($) Milestones	Dec. 31, 2020 USD ($)
Amgen Inc.
Business Combination [Line Items]
Number of license agreements \| Agreements				2
Vanderbilt IPR&D Assets
Business Combination [Line Items]
Contingent consideration deemed due or payable						$ 0
BlackThorn Merger Agreement
Business Combination [Line Items]
Contingent consideration, milestone payment settled in cash							$ 10,000,000
BlackThorn Merger Agreement \| BlackThorn Therapeutics, Inc.
Business Combination [Line Items]
Contingent consideration deemed due or payable						$ 0
BlackThorn Merger Agreement \| navacaprant \| Maximum \| Development and Regulatory Approval Milestones
Business Combination [Line Items]
Contingent consideration							365,000,000
BlackThorn Merger Agreement \| navacaprant \| Maximum \| Sales-based Milestones
Business Combination [Line Items]
Contingent consideration							450,000,000
BlackThorn Merger Agreement \| NMRA-511 \| Maximum \| Development and Regulatory Approval Milestones
Business Combination [Line Items]
Contingent consideration							100,000,000
BlackThorn Merger Agreement \| NMRA-511 \| Maximum \| Sales-based Milestones
Business Combination [Line Items]
Contingent consideration							$ 100,000,000
Amgen Inc. Licenses \| Amgen Inc.
Business Combination [Line Items]
Number of milestone achieved \| Milestones						0
Contingent consideration deemed due or payable						$ 0
Amgen Inc. Licenses \| Amgen Inc. \| Series A-2
Business Combination [Line Items]
Upfront consideration transferred shares \| shares				20.0
Acquisition date fair value of shares transferred				$ 157,000,000
Amgen Inc. Licenses \| Amgen Inc. \| Maximum \| Case One
Business Combination [Line Items]
Contingent consideration payable in cash				360,000,000
Amgen Inc. Licenses \| Amgen Inc. \| Maximum \| Commercial Milestone Payment \| Case Two
Business Combination [Line Items]
Contingent consideration payable in cash				$ 360,000,000
Vanderbilt License
Business Combination [Line Items]
Contingent consideration, milestone payment settled in cash	$ 5,000,000		$ 2,000,000
Number of milestone achieved \| Milestones						0
Acquired in-process research and development					$ 800,000
Vanderbilt License \| Maximum \| Achievement of Specified Development Events
Business Combination [Line Items]
Contingent consideration payable in cash		$ 42,000,000
Vanderbilt License \| Maximum \| Achievement of Specified Commercialization Events
Business Combination [Line Items]
Contingent consideration payable in cash		380,000,000
Vanderbilt License \| Vanderbilt IPR&D Assets
Business Combination [Line Items]
Upfront cash payment		$ 13,000,000