Investments and Fair Value Measurements - Strategic Investments (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2024	Apr. 30, 2023
Strategic Investments [Roll Forward]
Realized gains recognized on sales of privately held equity securities	$ 6,881	$ 0
Gains on strategic investments	$ 6,881	$ 0

Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-4

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