Revenue - Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 310,582	$ 266,795	$ 252,759
North America
Disaggregation of Revenue [Line Items]
Total revenue	269,895	210,501	197,485
Europe, the Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenue	35,809	47,758	46,251
Asia Pacific
Disaggregation of Revenue [Line Items]
Total revenue	3,622	7,913	9,023
Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,256	$ 623	$ 0
United States | Revenue | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Geographic concentration risk, percentage	86.00%	79.00%	78.00%