Commitment and Contingencies - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Operating lease costs	$ 66,463	$ 59,943	$ 52,892
Variable lease costs	23,083	14,477	11,667
Sublease income	(5,839)	(7,539)	(11,943)
Total lease costs	$ 83,707	$ 66,881	$ 52,616