Net Loss Per Share - Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net loss	$ (124,119)	$ (99,026)	$ (257,089)	$ (200,828)
Denominator:
Common stock shares outstanding (in shares)	145,403,782	142,785,264	145,290,503	141,515,199
Private placement pre-funded warrants (in shares)	26,046,065	26,046,065	26,046,065	17,602,560
Weighted average number of shares outstanding, basic (in shares)	171,449,847	168,831,329	171,336,568	159,117,759
Weighted average number of shares outstanding, diluted (in shares)	171,449,847	168,831,329	171,336,568	159,117,759
Net loss per share, diluted (usd per share)	$ (0.72)	$ (0.59)	$ (1.50)	$ (1.26)
Net loss per share, basic (usd per share)	$ (0.72)	$ (0.59)	$ (1.50)	$ (1.26)