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Income Taxes (Details 3) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Effective income tax rate reconciliation |  |  |
Expense (benefit) at U.S. federal statutory rate (as a percentage) | 21.00% | 21.00% | 21.00%
Expense (benefit) at state statutory rate (as a percentage) | (8.70%) | (6.10%) | (2.20%)
Withholding tax (as a percentage) | (3.90%) | (36.60%) | (4.40%)
Foreign rate differential (as a percentage) | (2.60%) | (28.30%) | (3.30%)
Research and development credit (as a percentage) | (2.90%) | (4.80%) | (7.10%)
Executive compensation (as a percentage) | (3.90%) | (49.00%) | (6.60%)
Stock-based compensation (as a percentage) | (5.20%) | (47.90%) | (7.70%)
Foreign tax credit (as a percentage) | (2.50%) | (57.40%) | (84.00%)
Foreign-derived intangible income deduction (as a percentage) | (1.90%) | (70.50%) | (55.80%)
Acquisition (as a percentage) | (1.60%) | (25.10%) | (8.80%)
Debt extinguishment (as a percentage) | 0.00% | (226.70%) | 0.00%
Other (as a percentage) | (0.30%) | (1.00%) | (0.20%)
Valuation allowance (as a percentage) | (85.30%) | (76.10%) | (129.80%)
Effective income tax rate reconciliation (as a percentage) | (78.40%) | (82.90%) | 21.30%

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