INCOME TAXES - Reconciliation of the beginning and ending amounts of gross unrecognized tax benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at February 1,	$ 3,582	$ 2,442	$ 2,293
Additions based on tax positions related to the current year	57	245
Additions for tax positions of prior years	1,015	895	595
Reductions for tax positions of prior years	(413)
Lapses of statues of limitations	(2,100)		(446)
Balance at January 31,	$ 4,241	$ 3,582	$ 2,442