Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands		Jan. 31, 2021	Jan. 31, 2020
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Prepaid expenses		$ 11,672	$ 16,416
Capitalized qualifying implementation costs incurred in a hosting arrangement that is a service contract, net of amortization	[1]	1,672	1,202
Other current assets		3,441	4,247
Total prepaid expenses and other current assets		$ 16,785	$ 21,865

[1] Capitalized stock-based compensation expense, which is included in these amounts, was not material for the periods presented. The accumulated amortization of the capitalized costs was $1.4 million and $0.6 million as of January 31, 2021 and 2020, respectively. Amortization expense related to capitalized costs was not material for the fiscal years ended January 31, 2021 and 2020. We have not recorded any related impairment charges during the periods presented.