Information about Geographic Areas - Long-Lived Assets by Geographic Area (Detail) - USD ($) $ in Thousands	Oct. 31, 2020	Jan. 31, 2020
Long-lived assets by geography
Total long-lived assets	$ 54,352	$ 54,752
North America
Long-lived assets by geography
Total long-lived assets	44,825	51,334
Europe and rest of world
Long-lived assets by geography
Total long-lived assets	5,701	2,077
Asia Pacific
Long-lived assets by geography
Total long-lived assets	$ 3,826	$ 1,341