Restructuring Activities - Schedule of Restructuring Expenses (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Restructuring Cost and Reserve [Line Items]
Total restructuring (benefits) costs	$ (187,000)	$ 0	$ 72,993,000
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Total restructuring (benefits) costs	24,000		7,119,000
Research and development
Restructuring Cost and Reserve [Line Items]
Total restructuring (benefits) costs	327,000		19,629,000
Sales and marketing
Restructuring Cost and Reserve [Line Items]
Total restructuring (benefits) costs	(911,000)		32,930,000
General and administrative
Restructuring Cost and Reserve [Line Items]
Total restructuring (benefits) costs	$ 373,000		$ 13,315,000