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v3.19.3

Balance Sheet Components - Schedule of Other Long-Term Assets (Parenthetical) (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2019 | Jan. 31, 2019
Property Plant And Equipment [Abstract] |  |
Capitalized stock-based compensation expenses | $ 4.4 | $ 0.8

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- Definition Amount of cost capitalized for award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration