Investments - Schedule of Strategic Investments (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jan. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Measurement Alternative	$ 13,349	$ 13,538
Equity Method	93,117	0
Total equity securities	286,384	13,538
Debt securities	13,366	5,130
Strategic investments	299,750	18,668
Total strategic investments	299,750	18,668
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	179,918	0
Debt securities	13,366	5,130
Strategic investments	$ 193,284	$ 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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Reference 2: 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.

+ References

No definition available.

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- Definition

Fair value portion of investments accounted under the equity method.

+ References

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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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-Paragraph 1A
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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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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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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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- Definition

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

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