Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands		Oct. 31, 2020	Jan. 31, 2020
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Prepaid expenses		$ 16,210	$ 16,416
Capitalized qualifying implementation costs incurred in a hosting arrangement that is a service contract, net of amortization	[1]	1,637	1,202
Other current assets		5,173	4,247
Total prepaid expenses and other current assets		$ 23,020	$ 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 $1.1 million and $0.6 million as of October 31, 2020 and January 31, 2020, respectively. Amortization expense related to capitalized costs was not material for the three and nine months ended October 31, 2020 and 2019. We have not recorded any material impairment charges during the periods presented.