Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2021	Jan. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill impairment	$ 0	$ 0
Intangible assets, net	$ 1,272	$ 2,300

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Name Accounting Standards Codification
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