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Subsequent Event (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Aug. 11, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Apr. 29, 2025	Jul. 29, 2024	Sep. 29, 2022	Jun. 15, 2020
August 2025 Loan | Innoviva Strategic Opportunities LLC
Debt Instrument [Line Items]
Aggregate amount	$ 15.0
Interest rate (as a percent)	14.00%
Loan maturity date	Jan. 11, 2029
MTEC Grant
Debt Instrument [Line Items]
Revenue from grants						$ 26.2	$ 21.6	$ 16.3	$ 15.0
Grant revenue from the MTEC Agreement		$ 1.2	$ 3.0	$ 3.8	$ 3.9

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