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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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services 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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Property and Equipment, Net - Components of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 80,102	$ 71,230
Less accumulated depreciation	(25,350)	(16,264)
Total property and equipment, net	54,752	54,966	$ 52,284
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 and building improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	22,392	20,911
Equipment and computers
Property, Plant and Equipment [Line Items]
Property and equipment, gross	11,066	7,945
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	12,849	11,230
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,385	6,790
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 386	$ 330