Net Loss Per Share - Schedule of Basic and Diluted Net 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
Earnings Per Share [Abstract]
Net loss	$ (163,141)	$ (213,717)	$ (395,064)	$ (417,371)
Weighted-average shares outstanding, basic (in shares)	138,930,173	136,653,753	138,287,533	136,058,223
Weighted-average shares outstanding, diluted (in shares)	138,930,173	136,653,753	138,287,533	136,058,223
Net loss per share, basic (in USD per share)	$ (1.17)	$ (1.56)	$ (2.86)	$ (3.07)
Net loss per share, diluted (in USD per share)	$ (1.17)	$ (1.56)	$ (2.86)	$ (3.07)