Balance Sheet Components - Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2021	Nov. 01, 2020	Oct. 31, 2021	Nov. 01, 2020	Jan. 31, 2021
Balance Sheet Components Disclosure [Abstract]
Goodwill	$ 358,736		$ 358,736		$ 358,736
Impairments to goodwill	$ 0	$ 0	$ 0	$ 0

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration