Property and Equipment, Net - Components of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 82,860	$ 83,266
Less accumulated depreciation	(30,612)	(29,616)
Total property and equipment, net	52,248	53,650
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,040	3,040
Building
Property, Plant and Equipment [Line Items]
Property and equipment, gross	20,984	20,984
Land improvements and building improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	22,392	22,392
Equipment and computers
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,332	8,847
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	13,772	13,452
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	13,857	13,945
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 483	$ 606

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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