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Income Taxes - Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2023
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |  |
Beginning balance | $ 934,816 | $ 1,032,016 | $ 999,191
Valuation allowance charged to income tax provision | (821,969) | (97,200) | 32,825
Ending balance | $ 112,847 | $ 934,816 | $ 1,032,016

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- Definition Deferred Tax Assets, Valuation Allowance, Charges To Provision (Benefit) For Income Taxes + References No definition available. + Details
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- Definition Deferred Tax Assets, Valuation Allowance [Roll Forward] + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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