REVENUE AND CONTRACT BALANCES - Disaggregation of Revenue by Geography (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 1,001,278	$ 821,461	$ 621,154
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	100.00%	100.00%	100.00%
U.S.
Disaggregation of Revenue [Line Items]
Revenue	$ 610,006	$ 519,928	$ 397,885
U.S. | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	61.00%	63.00%	64.00%
International
Disaggregation of Revenue [Line Items]
Revenue	$ 391,272	$ 301,533	$ 223,269
International | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	39.00%	37.00%	36.00%