Loss Per Share - Schedule of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Net Income (Loss)	$ (101,255)	$ (114,329)	$ (146,975)	$ (107,436)	$ (215,584)	$ (254,411)
Weighted average shares outstanding, basic	103,732		96,975		103,617	96,238
Weighted average shares outstanding, diluted	103,732		96,975		103,617	96,238
Net loss per share, basic	$ (0.98)		$ (1.52)		$ (2.08)	$ (2.64)
Net loss per share, diluted	$ (0.98)		$ (1.52)		$ (2.08)	$ (2.64)