Asset Acquisition - Schedule of Asset Acquisition (Details) - Chimerix $ in Thousands	Apr. 21, 2025 USD ($)
Consideration
Total cash consideration paid to Chimerix	$ 944,154
Transaction costs	13,237
Total consideration	957,391
Cash	99,338
In-process research and development	905,362
Accrued liabilities	(53,066)
Other assets and liabilities	5,757
Total net assets acquired	957,391
Outstanding Common Stock
Consideration
Total cash consideration paid to Chimerix	802,023
Outstanding Equity Awards
Consideration
Total cash consideration paid to Chimerix	$ 142,131