Operating Leases - Summary of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Leases [Abstract]
Operating lease cost	$ 8,875	$ 7,266	$ 7,019
Short-term lease cost	4,387	8,853	12,706
Variable lease cost	582	735	1,163
Sublease income	(355)	0	0
Total lease cost	$ 13,489	$ 16,854	$ 20,888