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Collaboration, License, and Other Agreements - Sonoma Biotherapeutics, Inc. Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Apr. 30, 2023	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Revenues		$ 3,162.1	$ 2,965.1
Sonoma Biotherapeutics, Inc. Collaboration Agreement | Subsequent Event
Disaggregation of Revenue [Line Items]
Purchase of preferred stock	$ 30.0
Sonoma Biotherapeutics, Inc.
Disaggregation of Revenue [Line Items]
Up-front payment to collaborating party		45.0
Sonoma Biotherapeutics, Inc. | Sonoma Biotherapeutics, Inc. Collaboration Agreement | Development Milestone
Disaggregation of Revenue [Line Items]
Revenues		$ 45.0

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