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		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator:
Net loss	$ (126,902)	$ (107,192)	$ (383,991)	$ (308,020)
Denominator:
Common stock shares outstanding (in shares)	146,375,427	143,410,923	145,656,118	142,151,719
Private placement pre-funded warrants (in shares)	26,046,065	26,046,065	26,046,065	20,437,606
Weighted average number of shares outstanding, basic (in shares)	172,421,492	169,456,988	171,702,183	162,589,325
Weighted average number of shares outstanding, diluted (in shares)	172,421,492	169,456,988	171,702,183	162,589,325
Net loss per share, diluted (usd per share)	$ (0.74)	$ (0.63)	$ (2.24)	$ (1.89)
Net loss per share, basic (usd per share)	$ (0.74)	$ (0.63)	$ (2.24)	$ (1.89)