Leases - Schedule of Components of Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Leases [Abstract]
Operating lease costs (in thousands)	$ 38,534	$ 39,681	$ 40,897
Short-term lease costs (in thousands)	1,364	1,842	3,488
Variable lease costs (in thousands)	4,760	(491)	2,663
Total lease costs	$ 44,658	$ 41,032	$ 47,048
Weighted-average remaining lease term (in years)	7 years 1 month 6 days	7 years 10 months 24 days	8 years 9 months 18 days
Weighted-average discount rate	9.40%	9.50%	9.50%
Cash paid for amounts included in the measurement of operating lease liabilities	$ 43,184	$ 41,621	$ 41,389
Right-of-use assets obtained in exchange for new operating lease liabilities	6,886	8,534	29,887
Right-of-use reductions related to operating lease impairments	$ 22,679	$ 6,708	$ 4,900