LEASES - Component Of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Leases [Abstract]
Operating lease expenses	$ 24,241	$ 28,617	$ 26,583
Amortization of right-of-use assets	3,223	2,295	581
Interest on lease liabilities	260	312	204
Total finance lease expenses	3,483	2,607	785
Variable lease expenses	6,344	5,504	5,609
Short-term lease expenses	1,055	584	657
Sublease income	(1,804)	(966)	(908)
Total lease expenses	$ 33,319	$ 36,346	$ 32,726