Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jan. 31, 2024
Property, Plant and Equipment
Total property and equipment, gross	$ 372,288	$ 322,105
Less: accumulated depreciation and amortization	(107,510)	(74,641)
Total property and equipment, net	264,778	247,464
Leasehold improvements
Property, Plant and Equipment
Total property and equipment, gross	96,573	67,804
Computers, equipment, and software
Property, Plant and Equipment
Total property and equipment, gross	46,586	29,859
Furniture and fixtures
Property, Plant and Equipment
Total property and equipment, gross	24,211	17,593
Capitalized internal-use software development costs
Property, Plant and Equipment
Total property and equipment, gross	176,321	93,222
Less: accumulated depreciation and amortization	(52,700)	(30,000)
Construction in progress—capitalized internal-use software development costs
Property, Plant and Equipment
Total property and equipment, gross	24,671	78,737
Construction in progress—other
Property, Plant and Equipment
Total property and equipment, gross	$ 3,926	$ 34,890