INCOME TAXES - Income Tax Expense Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
INCOME TAXES
Federal corporate income tax rate (as percent)			21.00%	21.00%
Computed expected income tax expense			$ (9,924)	$ (2,702)
State income taxes, net of federal tax effect			(1,015)	(40)
Deferred tax asset adjustments			300
Net operating loss carryback benefit				4,390
Adjustments and other differences			(289)	(257)
Income tax (expense) benefit	$ (3,269)	$ (1,666)	(11,228)	$ 1,391
Foreign income tax expense			$ 500