Equity Method Investments - Investment in Arbutus (Details) - Arbutus Biopharma Corporation [Member] - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | ||
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Jun. 30, 2025 |
Jun. 30, 2024 |
Mar. 31, 2025 |
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| Equity Method Investments [Abstract] | |||
| Equity method investment ownership percentage | 20.00% | ||
| Aggregate fair value investment | $ 120.0 | $ 135.6 | |
| Unrealized gains (losses) on investments | $ 15.5 | $ 19.8 | |
| Closing price of common stock (in Dollars per share) | $ 3.09 | $ 3.49 | |
| Common Stock [Member] | |||
| Equity Method Investments [Abstract] | |||
| Number of shares acquired (in Shares) | 38,847,462 | ||
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Price of a single share of a number of saleable stocks of a company. No definition available.
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- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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