Debt Facilities - Summary of Debt Facilities (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Apr. 30, 2024
Debt Instrument [Line Items]
Revolving line of credit, net	$ 73,119	$ 200,819
Non-recourse notes payable, net	722,245	553,629
Total debt	795,364	754,448
Revolving line of credit, net
Debt Instrument [Line Items]
Debt facilities, gross	74,991	201,743
Debt issuance costs	(1,872)	(924)
Revolving line of credit, net	73,119	200,819
Non-recourse notes payable - 2023-1 Issuance
Debt Instrument [Line Items]
Debt facilities, gross	68,243	150,190
Non-recourse notes payable - 2023-2 Issuance
Debt Instrument [Line Items]
Debt facilities, gross	116,478	203,189
Non-recourse notes payable - 2024-1 Issuance
Debt Instrument [Line Items]
Debt facilities, gross	99,467	202,916
Non-recourse notes payable - 2024-2 Issuance
Debt Instrument [Line Items]
Debt facilities, gross	242,670	0
Non-recourse notes payable - 2025-1 Issuance
Debt Instrument [Line Items]
Debt facilities, gross	200,000	0
Non-recourse notes payable, net
Debt Instrument [Line Items]
Debt issuance costs	(4,613)	(2,666)
Non-recourse notes payable, net	$ 722,245	$ 553,629