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v3.25.1

Equity and Other Investments and Fair Value Measurements - Equity Investment in Armata (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 12, 2025 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Equity Investment |  |  |  |
Warrant expiration period |  | 3 months |  |
Armata |  |  |  |
Equity Investment |  |  |  |
Number of warrants owned by parent |  | 10,653,847 |  |
Number of shares owned by parent |  | 25,076,769 |  |
Term of warrants |  | 5 years |  |
Armata | Consolidated Investees |  |  |  |
Equity Investment |  |  |  |
Equity method investment ownership percentage |  | 69.30% |  |
Armata | Common stock and warrants |  |  |  |
Equity Investment |  |  |  |
Unrealized gain |  |  | $ 35.3 |
Unrealized loss |  | $ 13.5 |  |
Armata | Warrants purchased in 2020 |  |  |  |
Equity Investment |  |  |  |
Warrants expiration period |  | The warrants purchased in 2020 expired during the first quarter of 2025. |  |
Armata | Warrants |  |  |  |
Equity Investment |  |  |  |
Equity and long-term investments at fair value |  | $ 2.1 |  | $ 5.9
Armata | Common stock |  |  |  |
Equity Investment |  |  |  |
Equity and long-term investments at fair value |  | 36.6 |  | 46.4
Armata | Armata Convertible Note |  |  |  |
Equity Investment |  |  |  |
Convertible notes face value |  | 30.1 |  |
Armata | Convertible Notes |  |  |  |
Equity Investment |  |  |  |
Equity and long-term investments at fair value |  | 37.8 |  | 42.1
Unrealized gain |  |  | 12.4 |
Unrealized loss |  | 4.3 |  |
Armata | 2023 Term Loan |  |  |  |
Equity Investment |  |  |  |
Equity and long-term investments at fair value |  | 30.5 |  | 30.2
Unrealized gain |  | 0.3 | 0.4 |
Armata | 2024 Term Loan |  |  |  |
Equity Investment |  |  |  |
Equity and long-term investments at fair value |  | 39.9 |  | $ 39.3
Unrealized gain |  | 0.6 | $ 0.5 |
Armata | 2025 Term Loan |  |  |  |
Equity Investment |  |  |  |
Equity and long-term investments at fair value |  | 10.1 |  |
Unrealized gain |  | 0.1 |  |
Armata | Armata Term Loan |  |  |  |
Equity Investment |  |  |  |
Convertible notes face value |  | $ 70.1 |  |
Minimum [Member] | Armata | Warrants |  |  |  |
Equity Investment |  |  |  |
Exercise price of warrants |  | $ 3.25 |  |
Maximum [Member] | Armata | Warrants |  |  |  |
Equity Investment |  |  |  |
Exercise price of warrants |  | $ 5 |  |
Innoviva Strategic Opportunities, LLC | Armata | March 2025 Credit and Security Agreement |  |  |  |
Equity Investment |  |  |  |
Term loan facility in aggregate amount | $ 10.0 |  |  |
Debt Instrument, annual interest rate | 14.00% |  |  |
Debt instrument maturity date | Mar. 12, 2026 |  |  |

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