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Income Taxes - Reconciliation of the Statutory Rate (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
Loss before tax | $ (533,001) | $ (825,836) | $ (1,961,037)
U.S. statutory tax rate | 21.00% | 21.00% | 21.00%
Expected taxation at U.S. statutory tax rate | $ (111,930) | $ (173,426) | $ (411,818)
Foreign and preferential tax rate differential | 93,741 | 144,310 | 209,384
Non-deductible expenses | 1,130 | 19,134 | 29,223
Stock compensation expenses | 53,446 | 32,581 | 33,872
State tax expense (benefit) | (7,988) | (5,872) | 1,683
Change in valuation allowance | 157,286 | 845,811 | 229,550
Tax relief credits | 0 | (704,928) | 0
Research tax credits and incentives | (43,602) | (64,343) | (42,844)
Deductible research expenses | (13,644) | 0 | 0
Tax on unremitted earnings | 23,743 | 0 | 0
Foreign-derived intangible income | (40,397) | (37,395) | (6,272)
Income tax expense (benefit) | $ 111,785 | $ 55,872 | $ 42,778
Effective tax rate | (21.00%) | (6.80%) | (2.20%)

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