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Investments - Equity Investments (Details) - USD ($) $ in Thousands | Oct. 31, 2023 | Jan. 31, 2023
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Non-marketable equity investments measured using the measurement alternative | $ 250,311 | $ 261,922
Equity investments | 955,394 | 1,244,914
Cash and cash equivalents |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity securities | 675,910 | 902,226
Other assets |  |
Schedule of Equity Method Investments [Line Items] |  |
Non-marketable equity investments measured using the measurement alternative | 250,311 | 261,922
Marketable securities |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity securities | $ 29,173 | $ 80,766

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