INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Unrecognized Tax Benefits [Roll Forward]
Balance at beginning of year	$ 4,000	$ 2,197	$ 1,013
Gross increases for tax positions of current year	1,405	1,540	1,027
Gross increases for tax positions of prior year	0	263	157
Balance at end of year	$ 5,405	$ 4,000	$ 2,197