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Equity and Long-term Investments and Fair Value Measurements - Equity Investment in Nanolive (Details) - Nanolive $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) shares | Dec. 31, 2025 USD ($) Director | Dec. 31, 2024 USD ($)
Equity Investment |  |  |
Number of Investee's Board members currently representing the Company | Director |  | 0 |
Number of the Investee's Board members | Director |  | 6 |
Fair value of equity securities | $ |  | $ 10.6 | $ 10.6
Consolidated Investees |  |  |
Equity Investment |  |  |
Equity investment ownership percentage |  | 13.00% | 13.00%
Preferred Stock |  |  |
Equity Investment |  |  |
Number of shares to be purchased under the securities purchase agreement | shares | 18,750,000 |  |
Amount of securities purchase agreement | $ | $ 9.8 |  |

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