Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2025	Jan. 31, 2025
Payables and Accruals [Abstract]
Accrued compensation	$ 197,087	$ 194,630
Accrued third-party cloud infrastructure expenses	102,158	77,944
Liabilities associated with sales, marketing and business development programs	60,127	44,017
Accrued purchases of property and equipment	22,049	9,896
Employee contributions under employee stock purchase plan	14,694	46,576
Accrued professional services	14,190	14,005
Accrued taxes	14,133	25,819
Employee payroll tax withheld on employee stock transactions	8,226	14,025
Other	95,716	88,542
Total accrued expenses and other current liabilities	$ 528,380	$ 515,454