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