INCOME TAXES - Net Operating Loss Carryback (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Jan. 31, 2020
Operating Loss Carryforwards [Line Items]
Increase in loss carryback period for certain losses	5 years
Domestic net operating loss carryback	$ 39,500
Deferred tax asset			$ 8,300
Federal corporate income tax rate (as percent)	21.00%	21.00%
Amount of rate difference tax benefit		$ 4,390
Other current assets
Operating Loss Carryforwards [Line Items]
Income tax receivable	$ 12,700