Fair Value Measurements - Summary of Strategic Investments (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Fair Value Disclosures [Abstract]
Non-marketable equity securities under Measurement Alternative	$ 176,805	$ 170,860
Marketable equity securities	29,168	34,646
Non-marketable debt securities	1,500	2,250
Total strategic investments—included in other assets	$ 207,473	$ 207,756

Amount of long-term investments classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant