REVENUE AND CONTRACT BALANCES - Schedule of Revenue from External Customers by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 242,183	$ 198,937	$ 471,212	$ 385,292
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	100.00%	100.00%	100.00%	100.00%
United States
Disaggregation of Revenue [Line Items]
Revenue	$ 149,650	$ 126,260	$ 292,091	$ 244,502
United States | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	62.00%	63.00%	62.00%	63.00%
International
Disaggregation of Revenue [Line Items]
Revenue	$ 92,533	$ 72,677	$ 179,121	$ 140,790
International | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	38.00%	37.00%	38.00%	37.00%