Loss Per Share - Schedule of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net Income (Loss)	$ (519,021)	$ (481,192)	$ (474,186)
Weighted average shares outstanding, basic	98,849	88,770	76,972
Weighted average shares outstanding, diluted	98,849	88,770	76,972
Net loss per share, basic	$ (5.25)	$ (5.42)	$ (6.16)
Net loss per share, diluted	$ (5.25)	$ (5.42)	$ (6.16)