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Income Tax - Effective Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Taxes at federal statutory rate 21.00% 21.00% 21.00%
State taxes, net of federal effect 6.50% 4.60% 4.00%
Share-based compensation (3.10%) 3.90% 4.50%
Executive compensation (0.110) (0.138) (0.083)
Research and development credits 17.00% 0.00% 0.00%
Change in uncertain tax positions (4.20%) 0.00% 0.00%
Mergers and acquisitions 3.50% 0.00% 0.00%
Other permanent items (7.40%) 0.00% 0.00%
Other (1.60%) 1.40% (0.30%)
Change in valuation allowance (17.40%) (17.00%) (20.50%)
Effective tax rate 3.30% 0.10% 0.40%