Finance Receivables, Net - Summary of Finance Receivables that are Current and Past Due (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Apr. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 1,413,059	$ 1,509,155
Percent of Portfolio	100.00%	100.00%
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 1,090,757	$ 1,208,330
Percent of Portfolio	77.19%	80.06%
3 - 29 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 264,121	$ 249,263
Percent of Portfolio	18.69%	16.52%
30-60 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 39,541	$ 34,407
Percent of Portfolio	2.80%	2.28%
61-90 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 11,676	$ 11,461
Percent of Portfolio	0.83%	0.76%
> 90 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 6,964	$ 5,694
Percent of Portfolio	0.49%	0.38%