INCOME TAXES - Reconciliation of the beginning and ending amounts of gross unrecognized tax benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at February 1,	$ 2,442	$ 2,293	$ 2,111
Additions based on tax positions related to the current year	245
Additions for tax positions of prior years	895	595	182
Lapses of statutes of limitations		(446)
Balance at January 31,	$ 3,582	$ 2,442	$ 2,293