Leases - ASC 842 Quantitative Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Leases [Abstract]
Operating lease cost	$ 2,341	$ 1,278	$ 5,183	$ 3,828
Short-term lease cost	172	119	406	307
Sublease income	(10)	(10)	(30)	(30)
Variable lease cost	4	252	622	673
Total lease cost	$ 2,507	$ 1,639	6,181	4,778
Cash paid for amounts included in the measurement of lease liabilities			4,881	4,345
Right-of-use assets obtained in exchange for new lease liabilities (a)			$ 34,309	$ 364
Weighted-average remaining lease term (years)	5 years 8 months 12 days	1 year 6 months	5 years 8 months 12 days	1 year 6 months
Weighted-average discount rate	9.80%	6.36%	9.80%	6.36%