Stock-based Compensation - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Stock-based compensation expense
Stock-based compensation expense	$ 24,404	$ 10,973	$ 44,306	$ 22,223
Research and development
Stock-based compensation expense
Stock-based compensation expense	5,582	5,184	11,489	10,570
Selling, general and administrative
Stock-based compensation expense
Stock-based compensation expense	18,822	5,789	32,817	11,653
Stock options
Stock-based compensation expense
Stock-based compensation expense	10,027	7,431	16,913	16,029
Restricted stock units
Stock-based compensation expense
Stock-based compensation expense	9,918	3,542	18,543	6,194
Performance-based restricted stock units
Stock-based compensation expense
Stock-based compensation expense	$ 4,459	$ 0	$ 8,850	$ 0