Leases - Components of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Leases [Abstract]
Operating lease costs	$ 4,855	$ 4,905	$ 4,027
Short-term lease costs	19	771	2,248
Variable lease costs	1,323	1,886	1,124
Sublease income	(941)	(700)	(563)
Total lease costs	$ 5,256	$ 6,862	$ 6,836