Leases - Lease Costs and Other Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Jan. 31, 2025
Leases [Abstract]
Cash paid for amounts included in measurement of operating lease liabilities	$ 3,222	$ 3,039
ROU assets obtained in exchange of lease liabilities for new operating leases	$ 15,424	$ 1,427
Weighted-average remaining lease term	3 years 6 months		3 years
Weighted-average discount rate	5.90%		5.50%