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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Research and experimental expenditures capitalization | $ 102,382 | $ 69,362
Net operating loss and credits carryforwards | 80,413 | 92,302
Accrued expenses and reserves | 25,039 | 10,442
Share-based compensation | 3,414 | 11,200
Convertible senior notes | 1,790 | 5,566
Goodwill | 89,583 | 0
Property and equipment and intangible assets | 15,947 | 0
Other items | 0 | 6,133
Gross deferred tax assets | 318,568 | 195,005
Valuation allowance | (307,985) | (40,162)
Total deferred tax assets | 10,583 | 154,843
Deferred tax liabilities: |  |
Property and equipment and intangibles assets | 0 | (2,621)
Other | (11,396) | (13,134)
Total deferred tax liabilities | (11,396) | (15,755)
Net deferred tax liability | $ (812) |
Net deferred tax asset |  | $ 139,088

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