Leases - Components of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Leases [Abstract]
Operating lease costs	$ 4,027	$ 3,844
Short-term lease costs	2,248	509
Variable lease costs	1,124	702
Total lease costs	$ 7,399	$ 5,055