Summary of Business and Significant Accounting Policies - Estimated Useful Lives (Details)	12 Months Ended
	Jan. 31, 2023
Building
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	30 years
Building improvements
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	Remaining useful life of the building
Equipment and computers
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	3 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	5 years
Land improvements
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	10 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	Shorter of remaining life of the lease term or estimated useful life