Debt - Convertible Notes (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024	Jan. 31, 2025	Jun. 30, 2022
Debt Instrument [Line Items]
Embedded derivative liability		$ 0		$ 0		$ 59,820
Loss on extinguishment of debt		$ (97,450)	$ 0	$ (117,978)	$ 0
Convertible notes | Convertible notes
Debt Instrument [Line Items]
Debt issued	$ 125,000
Debt issuance costs	$ 2,900
Length of extension	2 years
Interest rate	7.50%						12.50%
Amount of increase to stated interest rate							1.00%
Embedded derivative liability	$ 43,100
Effective interest rate after amortization to interest expense	13.50%
Debt instrument, convertible, redemption price, percentage	12.50%
Shares converted (in shares)		12,827,963
Shares converted, discount percentage		35.00%		35.00%
Loss on extinguishment of debt		$ (84,100)
Convertible notes | Convertible notes | Minimum
Debt Instrument [Line Items]
Conversion price percentage	0.20
Convertible notes | Convertible notes | Maximum
Debt Instrument [Line Items]
Conversion price percentage	0.35