Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jan. 31, 2022	Jan. 31, 2021
Property, Plant and Equipment
Total property and equipment, gross	$ 128,526	$ 80,922
Less: accumulated depreciation and amortization	(23,447)	(11,954)
Total property and equipment, net	105,079	68,968
Leasehold improvements
Property, Plant and Equipment
Total property and equipment, gross	51,801	41,593
Computers, equipment, and software
Property, Plant and Equipment
Total property and equipment, gross	8,735	3,817
Furniture and fixtures
Property, Plant and Equipment
Total property and equipment, gross	8,488	6,627
Capitalized internal-use software development costs
Property, Plant and Equipment
Total property and equipment, gross	17,154	12,855
Less: accumulated depreciation and amortization	(9,700)	(5,500)
Construction in progress—capitalized internal-use software development costs
Property, Plant and Equipment
Total property and equipment, gross	36,163	4,628
Construction in progress—other
Property, Plant and Equipment
Total property and equipment, gross	$ 6,185	$ 11,402