Revenue - Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 87,213	$ 72,362
Software Licenses
Disaggregation of Revenue [Line Items]
Total revenue	12,600	3,200
North America
Disaggregation of Revenue [Line Items]
Total revenue	$ 77,128	$ 61,712
United States | Revenue | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Geographic concentration risk, percentage	87.00%	85.00%
Europe, the Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenue	$ 9,390	$ 9,559
Asia Pacific
Disaggregation of Revenue [Line Items]
Total revenue	247	825
Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 447	$ 266