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Income Taxes (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Valuation allowance |  |  |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease) |  | $ (149,400) | $ 149,400 |  |  |
Unrecognized tax benefits | $ 179,500 |  |  | $ 179,500 |  | $ 164,500
Income taxes receivable | 82,700 |  |  | 83,423 | $ (202) |
Income taxes payable | (75,600) |  |  | 61,736 | $ (15,352) |
Deferred tax assets | (7,100) |  |  | (7,100) |  |
Divestiture, not discontinued operations | PHY IP group |  |  |  |  |  |
Valuation allowance |  |  |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease) | 4,400 |  |  | (145,100) |  |
Foreign tax authority | National Tax Services |  |  |  |  |  |
Valuation allowance |  |  |  |  |  |
Unrecognized tax benefits | 152,600 |  |  | 152,600 |  |
Long-term deferred tax assets |  |  |  |  |  |
Valuation allowance |  |  |  |  |  |
Unrecognized tax benefits | 27,400 |  |  | 27,400 |  | 19,600
Other assets | Foreign tax authority | National Tax Services |  |  |  |  |  |
Valuation allowance |  |  |  |  |  |
Unrecognized tax benefits | 75,100 |  |  | 75,100 |  | 143,600
Long-term income taxes payable |  |  |  |  |  |
Valuation allowance |  |  |  |  |  |
Unrecognized tax benefits | $ 77,000 |  |  | $ 77,000 |  | $ 1,300

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