Note F - Debt Facilities - Summary of Debt Facilities (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Apr. 30, 2024
Revolving line of credit, net	$ 184,846	$ 200,819
Notes payable, net	597,494	553,629
Notes payable, net	597,494	553,629
Total debt	782,340	754,448
Warehouse Facility [Member]
Debt facilities, gross	149,888	0
Debt issuance costs	(1,060)	0
Notes payable, net	148,828	0
Notes payable, net	148,828	0
Line of Credit [Member]
Debt facilities, gross	185,945	201,743
Debt issuance costs	(1,099)	(924)
Revolving line of credit, net	184,846	200,819
Non Recourse Notes Payable, 2023 Issuance [Member]
Debt facilities, gross	118,623	150,190
Non Recourse Notes Payable, 2023-2 Issuance [Member]
Debt facilities, gross	169,698	203,189
Non Recourse Notes Payable 2024 Issuance [Member]
Debt facilities, gross	161,899	202,916
Nonrecourse [Member]
Debt issuance costs	(1,554)	(2,666)
Notes payable, net	448,666	553,629
Notes payable, net	448,666	553,629
Warehouse Facility and Nonrecourse [Member]
Notes payable, net	597,494	553,629
Notes payable, net	$ 597,494	$ 553,629