Related Party Transactions - Balances in Condensed Consolidated Statements of Financial Position (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Related Party Transaction [Line Items]
Net intercompany payable (included in "Accrued and other current liabilities")	$ 6,827	$ 3,209
Net operating loss tax sharing receivable under agreement with Dell	28,134	27,449
Dell Inc. | Principal Owner
Related Party Transaction [Line Items]
Accounts receivable from customers under reseller agreements with Dell (included in "Accounts receivable, net")	18,536	13,674
Net operating loss tax sharing receivable under agreement with Dell	$ 9,912	10,000
Net operating loss tax sharing receivable under agreement with Dell		$ 10,040