Operating Leases - Summary of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Leases [Abstract]
Operating lease cost	$ 2,736	$ 1,846	$ 5,495	$ 3,580
Short-term lease cost	1,535	931	3,043	1,856
Variable lease cost	316	149	523	274
Sublease income	(533)	0	(1,065)	0
Total	$ 4,054	$ 2,926	$ 7,996	$ 5,710