Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jan. 31, 2025
Property, Plant and Equipment
Total property and equipment, gross	$ 465,251	$ 449,834
Less: accumulated depreciation and amortization	(182,200)	(153,441)
Total property and equipment, net	283,051	296,393
Leasehold improvements
Property, Plant and Equipment
Total property and equipment, gross	117,022	97,324
Computers, equipment, and software
Property, Plant and Equipment
Total property and equipment, gross	65,526	49,575
Furniture and fixtures
Property, Plant and Equipment
Total property and equipment, gross	29,676	25,473
Capitalized software development costs
Property, Plant and Equipment
Total property and equipment, gross	223,364	209,684
Less: accumulated depreciation and amortization	(117,200)	(84,800)
Construction in progress—capitalized software development costs
Property, Plant and Equipment
Total property and equipment, gross	13,512	28,672
Construction in progress—other
Property, Plant and Equipment
Total property and equipment, gross	$ 16,151	$ 39,106