Summary of Business and Significant Accounting Policies - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 57,138	$ 37,275
Americas
Property, Plant and Equipment [Line Items]
Property and equipment, net	48,519	26,048
APAC
Property, Plant and Equipment [Line Items]
Property and equipment, net	7,464	8,928
EMEA
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 1,155	$ 2,299