Subsequent Events (Details) - Sarepta - Sarepta Collaboration Agreement - USD ($) $ / shares in Units, $ in Millions	Feb. 07, 2025	Nov. 25, 2024
Subsequent Event [Line Items]
Equity investment		$ 325.0
Cash receivable under collaboration agreement		$ 500.0
Subsequent Event
Subsequent Event [Line Items]
Equity investment	$ 325.0
Investment owned (in shares)	11,926,301
Share price of investment owned (in dollars per share)	$ 27.25
Cash receivable under collaboration agreement	$ 500.0

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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+ Details