Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Income Tax Disclosure [Abstract]
Domestic	$ (1,223,181)	$ (356,015)	$ (296,975)
Foreign	74,729	28,546	27,825
Loss before income taxes	$ (1,148,452)	$ (327,469)	$ (269,150)