Revenue - Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 70,261	$ 87,213
Software Licenses
Disaggregation of Revenue [Line Items]
Total revenue	17,900	12,600
North America
Disaggregation of Revenue [Line Items]
Total revenue	$ 64,408	$ 77,128
United States | Revenue | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Geographic concentration risk, percentage	91.00%	87.00%
Europe, the Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenue	$ 5,619	$ 9,390
Asia Pacific
Disaggregation of Revenue [Line Items]
Total revenue	21	247
Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 213	$ 448