Investments - Schedule of Strategic Investments (Details) - USD ($) $ in Thousands	Jan. 31, 2022	Jan. 31, 2021
Fair Value, Separate Account Investment [Line Items]
Measurement Alternative	$ 91,399	$ 13,538
Equity Method	93,400	0
Total equity securities	353,583	13,538
Debt securities	14,231	5,130
Fair value of strategic investments	183,015	5,130
Total strategic investments	367,814	18,668
Fair Value
Fair Value, Separate Account Investment [Line Items]
Equity securities	168,784	0
Debt securities	$ 14,231	$ 5,130

Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at amortized cost (held-to-maturity), classified as noncurrent.

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Fair value portion of investments accounted under the equity method.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
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-Paragraph 2
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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-SubTopic 10
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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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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.

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Equity Securities, Alternative Investment And Equity Method Method Investments, Fair Value Disclosure

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