Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Leases [Abstract]
Operating lease liabilities, current	$ 18,590	$ 18,604
Operating lease liabilities, non-current	61,915	76,809
Operating lease right-of-use assets	$ 50,908	67,452
Operating lease, weighted average remaining lease term (in years)	4 years 10 months 24 days
Operating lease, weighted average discount rate, percentage	6.00%
Operating lease, payments	$ 19,600
Right of use asset in exchange of operating lease	700
Impairment of long-lived assets	8,552	$ 0	$ 0
Impairment of right-of-use asset	6,500
Impairment of leasehold	2,100
Sublease income	$ 600