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Divestiture (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Divestiture |  |  |  |
Divestiture, gain (loss), net |  | $ (90,784) | $ 0 | $ 0
Other asset impairment charges |  | 10,045 | $ 0 | $ 0
Divestiture, not discontinued operations | PHY IP Group |  |  |  |
Divestiture |  |  |  |
Divestiture, consideration, initial selling price | $ 110,000 |  |  |
Divestiture, proceeds net | 106,300 |  |  |
Divestiture, purchase price adjustments | $ 3,700 |  |  |
Divestiture, gain (loss), net |  | (90,800) |  |
Divestiture, transaction costs |  | $ 1,400 |  |

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