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Equity and Long-term Investments and Fair Value Measurements - Equity Investment in Armata (Details) $ / shares in Units, $ in Millions |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |
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Jan. 23, 2026 | Aug. 11, 2025 USD ($) | Mar. 12, 2025 USD ($) | Nov. 12, 2024 | Mar. 04, 2024 USD ($) | Jul. 10, 2023 USD ($) | Jan. 10, 2023 USD ($) | Feb. 09, 2022 | Mar. 31, 2021 | Dec. 31, 2025 USD ($) BoardMember $ / shares shares | Dec. 31, 2024 USD ($) shares | Dec. 31, 2023 USD ($) | Mar. 31, 2020
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  |  |  |  |  |  | $ 18.11 |  |  |
Armata Convertible Note | Secured Convertible Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan facility in aggregate amount |  |  |  |  |  |  | $ 30.0 |  |  |  |  |  |
Debt Instrument, annual interest rate |  |  |  |  |  |  | 8.00% |  |  |  |  |  |
Debt instrument maturity date |  |  |  | Jan. 10, 2026 |  | Jan. 10, 2025 |  |  |  |  |  |  |
Armata |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Warrants Owned | shares |  |  |  |  |  |  |  |  |  | 10,653,847 | 19,364,647 |  |
Total number of directors | BoardMember |  |  |  |  |  |  |  |  |  | 7 |  |  |
Number of shares owned | shares |  |  |  |  |  |  |  |  |  | 25,076,769 | 25,076,769 |  |
Debt instrument maturity date | Jan. 26, 2031 |  |  |  |  |  |  |  |  |  |  |  |
Percentage of maximum voting rights |  |  |  |  |  |  |  | 49.50% | 49.50% |  |  |  |
Special terms on re-designating board member to board of investee |  |  |  |  |  |  |  | In addition, as of February 9, 2022, Armata entered into an amended and restated investor rights agreement with the Company and ISO, pursuant to which for as long as the Company and ISO hold at least 12.5% of the outstanding shares of Armata’s common stock on a fully-diluted, the Company and ISO shall have the right to designate two directors to Armata’s board of directors, and for so long as the Company and ISO hold at least 8%, but less than 12.5%, of the outstanding shares of Armata’s common stock on a fully-diluted basis, the Company and ISO shall have the right to designate one director to Armata’s board of directors, subject to certain conditions and qualifications set forth in the amended and restated investor rights agreement. |  |  |  |  |
Armata | July 2023 Credit and Security Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan facility in aggregate amount |  |  |  |  |  | $ 25.0 |  |  |  |  |  |  |
Debt Instrument, annual interest rate |  |  |  |  |  | 14.00% |  |  |  |  |  |  |
Debt instrument maturity date |  |  |  | Jan. 10, 2026 |  | Jan. 10, 2025 |  |  |  |  |  |  |
Armata | March 2024 Credit and Security Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan facility in aggregate amount |  |  |  |  | $ 35.0 |  |  |  |  |  |  |  |
Debt Instrument, annual interest rate |  |  |  |  | 14.00% |  |  |  |  |  |  |  |
Debt instrument maturity date |  |  |  |  | Jun. 04, 2025 |  |  |  |  |  |  |  |
Armata | Secured Convertible Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, description |  |  |  |  |  |  | On January 10, 2023, we entered into a Secured Convertible Credit Agreement (the “Credit Agreement”) with Armata, under which we invested in a one-year convertible note (the “Armata Convertible Note”) in an aggregate amount of $30.0 million at an interest rate of 8.0% per annum. |  |  |  |  |  |
Debt instrument, term |  |  |  |  |  |  | 1 year |  |  |  |  |  |
Armata | Consolidated Investees |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment ownership percentage |  |  |  |  |  |  |  |  |  | 68.80% | 69.30% |  |
Armata | Two Directors |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Armata outstanding shares percentage |  |  |  |  |  |  |  | 12.50% |  |  |  |  |
Armata | Common stock and warrants |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gain |  |  |  |  |  |  |  |  |  | $ 141.4 |  | $ 77.4 |
Unrealized loss |  |  |  |  |  |  |  |  |  |  | $ 64.3 |  |
Armata | Warrants purchased in 2020 |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  |  |  |  |  |  | $ 2.87 |  |  |
Term of warrants |  |  |  |  |  |  |  |  |  |  |  |  | 5 years
Armata | Warrants purchased in 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  |  |  |  |  |  | 3.25 |  |  |
Term of warrants |  |  |  |  |  |  |  |  | 5 years |  |  |  |
Armata | Warrants purchased in 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  |  |  |  |  |  | $ 5 |  |  |
Term of warrants |  |  |  |  |  |  |  | 5 years |  |  |  |  |
Armata | Warrants |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity and long-term investments at fair value |  |  |  |  |  |  |  |  |  | $ 36.2 | 5.9 |  |
Armata | Common stock |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity and long-term investments at fair value |  |  |  |  |  |  |  |  |  | 157.5 | 46.4 |  |
Armata | Armata Convertible Note |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of term loans owned |  |  |  |  |  |  |  |  |  | 85.1 |  |  |
Equity and long-term investments at fair value |  |  |  |  |  |  |  |  |  | 101.4 | 42.1 |  |
Unrealized gain |  |  |  |  |  |  |  |  |  |  |  | 21.8 |
Unrealized loss |  |  |  |  |  |  |  |  |  | 59.3 | 9.8 |  |
Armata | Armata July 2023 Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity and long-term investments at fair value |  |  |  |  |  |  |  |  |  | 32.9 | 30.2 |  |
Unrealized gain |  |  |  |  |  |  |  |  |  | 2.7 | 3.2 | $ 2.0 |
Armata | Armata March 2024 Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity and long-term investments at fair value |  |  |  |  |  |  |  |  |  | 43.3 | 39.3 |  |
Unrealized gain |  |  |  |  |  |  |  |  |  | 4.0 | $ 4.3 |  |
Armata | Armata March 2025 Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity and long-term investments at fair value |  |  |  |  |  |  |  |  |  | 11.1 |  |  |
Unrealized gain |  |  |  |  |  |  |  |  |  | 1.1 |  |  |
Armata | Armata August 2025 Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity and long-term investments at fair value |  |  |  |  |  |  |  |  |  | 15.5 |  |  |
Unrealized gain |  |  |  |  |  |  |  |  |  | $ 0.5 |  |  |
Minimum | Armata | One Director |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Armata outstanding shares percentage |  |  |  |  |  |  |  | 8.00% |  |  |  |  |
Minimum | Armata | Warrants |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  |  |  |  |  |  | $ 3.25 |  |  |
Maximum | Armata | One Director |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Armata outstanding shares percentage |  |  |  |  |  |  |  | 12.50% |  |  |  |  |
Maximum | Armata | Warrants |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  |  |  |  |  |  | $ 5 |  |  |
Innoviva Strategic Opportunities, LLC | Armata |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Total number of directors | BoardMember |  |  |  |  |  |  |  |  |  | 2 |  |  |
Principal amount of convertible notes owned |  |  |  |  |  |  |  |  |  | $ 30.1 |  |  |
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 |  |  |  |  |  |  |  |  |  |
Innoviva Strategic Opportunities, LLC | Armata | August 2025 Credit and Security Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan facility in aggregate amount |  | $ 15.0 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, annual interest rate |  | 14.00% |  |  |  |  |  |  |  |  |  |  |
Debt instrument maturity date |  | Jan. 11, 2029 |  |  |  |  |  |  |  |  |  |  |

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