Fair Value Measurements and Marketable Securities - Strategic Investments (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Jan. 31, 2020 |
Jan. 31, 2019 |
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| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] | ||
| Total initial cost | $ 1,000 | |
| Carrying value | 1,000 | $ 0 |
| Equity Method Investments | ||
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] | ||
| Cumulative gain | $ 0 |
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- Definition Amount of unrealized gain (loss) on investment in debt and equity securities. No definition available.
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- Definition This element represents the aggregate cost of investments accounted for under the equity method of accounting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Details
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