Finance Receivables, Net - Loan Modifications (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 436,141	$ 473,921	$ 454,052
% of Portfolio	28.90%	33.00%	33.00%
Term extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 425,791	$ 462,992	$ 445,288
% of Portfolio	28.20%	32.20%	32.40%
Weighted average term increase from modification	2 months 6 days	2 months 9 days	2 months 18 days
Term extension \| Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 304,859	$ 326,937	$ 352,013
Term extension \| 3-29 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	100,554	117,390	72,146
Term extension \| 30-60 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	14,149	13,890	15,397
Term extension \| 61-90 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	3,900	2,724	3,583
Term extension \| 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	2,329	2,051	2,149
Combination
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 10,350	$ 10,929	$ 8,764
% of Portfolio	0.70%	0.80%	0.60%
Weighted average term increase from modification	10 months 16 days	11 months 18 days	13 months 28 days
Payments Received	$ 10,350	$ 10,929	$ 8,764
Combination \| Payment Received in Last 30 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payments Received	5,864	5,528	4,957
Combination \| Payment Received in Last 31-60 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payments Received	1,596	1,808	1,213
Combination \| Payment Received in Last 61-90 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payments Received	843	1,366	828
Combination \| Payment Received in Last 90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payments Received	$ 2,047	$ 2,227	$ 1,766
Combination \| Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate decrease from modification	4.25%	4.25%	5.00%
Combination \| Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate decrease from modification	10.50%	18.00%	16.90%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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