Summary of Business and Significant Accounting Policies - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2021	Jan. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 149,924	$ 57,138
Americas
Property, Plant and Equipment [Line Items]
Property and equipment, net	138,093	48,519
APAC
Property, Plant and Equipment [Line Items]
Property and equipment, net	10,033	7,464
EMEA
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 1,798	$ 1,155