Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Deferred tax assets:
Accruals and reserves	$ 9,488	$ 13,137
Capitalized expenditures	228,845	123,746
Stock-based compensation	49,710	32,536
Net operating loss carryforward	6,469	12,245
Tax credit carryforward	65,307	43,732
Lease liabilities	13,967	15,724
Other	2,403	7,890
Gross deferred tax assets	376,189	249,010
Valuation allowance	(79,056)	(51,685)
Total deferred tax assets	297,133	197,325
Deferred tax liabilities:
Intangible assets	(27,019)	(28,799)
Lease right-of-use assets	(11,410)	(14,192)
Deferred costs	(6,242)	(12,949)
Other	(21,051)	(6,180)
Total deferred tax liabilities	(65,722)	(62,120)
Net deferred tax assets	$ 231,411	$ 135,205