Leases - Components of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Leases [Abstract]
Operating lease costs	$ 4,719	$ 4,855	$ 4,905
Short-term lease costs	35	19	771
Variable lease costs	1,627	1,323	1,886
Sublease income	(979)	(941)	(700)
Total lease costs	$ 5,402	$ 5,256	$ 6,862