Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Deferred tax assets
Net operating loss carryforwards	$ 400,277	$ 420,803
Research and other credit carryforwards	144,068	100,002
Intangible assets	117,620	81,551
Stock-based compensation	60,290	33,885
Deferred revenue	209,357	169,777
Accrued expenses	29,833	23,956
Operating lease liabilities	17,418	20,613
Capitalized research and development	473,889	320,708
Other, net	13,898	0
Gross deferred assets	1,466,650	1,171,295
Less: Valuation allowance	(1,192,366)	(957,710)	$ (910,100)
Total deferred tax assets	274,284	213,585
Deferred tax liabilities
Property and equipment, net	(64,576)	(51,335)
Capitalized commissions	(171,349)	(128,302)
Intangible assets	(6,921)	(6,489)
Operating right-of-use assets	(16,853)	(19,956)
Other, net	0	(277)
Total deferred tax liabilities	(259,699)	(206,359)
Net deferred tax assets	$ 14,585	$ 7,226

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Deferred Tax Assets, Operating Lease Liabilities

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Deferred Tax Liabilities, Deferred Revenue

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Deferred Tax Liabilities, Operating Right-of-use Assets

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from provisions, reserves, allowances, and accruals, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from capitalized costs classified as other.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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