Income Taxes - Significant Components of Deferred Income Tax Assets (Details) - USD ($) $ in Thousands |
Jan. 31, 2022 |
Jan. 31, 2021 |
|---|---|---|
| Deferred Tax Assets, Net [Abstract] | ||
| Net operating loss carryforwards | $ 21,558 | $ 341,487 |
| Research and development credit carryforwards | 9,985 | 12,191 |
| Stock-based compensation | 44,490 | 37,255 |
| Accruals and reserves | 14,475 | 29,195 |
| Deferred revenue | 260,322 | 6,565 |
| Capitalized research expenditures | 131,010 | 0 |
| Operating lease liabilities | 25,892 | 27,842 |
| Total deferred tax assets | 507,732 | 454,535 |
| Valuation allowance | (12,605) | (335,051) |
| Total deferred tax assets net of valuation allowance | 495,127 | 119,484 |
| Deferred Tax Liabilities, Net [Abstract] | ||
| Property and equipment and intangible assets | (26,733) | (17,229) |
| Deferred contract acquisition costs | (62,814) | (76,593) |
| Operating right-of-use assets | (23,466) | (25,550) |
| Total deferred tax liabilities | (113,013) | (119,372) |
| Net deferred tax assets | $ 382,114 | $ 112 |
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Deferred Tax Asset, Contract With Customer Liability No definition available.
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- Definition Deferred Tax Assets, Lease Liabilities No definition available.
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- Definition Deferred Tax Liabilities, Contract With Customer Liabilities No definition available.
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- Definition Deferred Tax Liabilities, Right Of Use Assets No definition available.
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