Stock-Based Compensation - Summary of Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total	$ 229,884	$ 1,930,641	$ 1,682,565
Research and development
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total	145,879	731,996	926,730
General and administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total	$ 84,005	$ 1,198,645	$ 755,835