Finance Receivables, Net - Loan Modifications (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 427,022	$ 436,141	$ 473,921
% of Portfolio	30.30%	28.90%	33.00%
Term extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 416,389	$ 425,791	$ 462,992
% of Portfolio	29.50%	28.20%	32.20%
Weighted average term increase from modification	1 month 27 days	2 months 6 days	2 months 9 days
Term extension \| Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 297,413	$ 304,859	$ 326,937
Term extension \| 3-29 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	98,286	100,554	117,390
Term extension \| 30-60 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	16,302	14,149	13,890
Term extension \| 61-90 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	3,694	3,900	2,724
Term extension \| 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	694	2,329	2,051
Combination
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 10,633	$ 10,350	$ 10,929
% of Portfolio	0.80%	0.70%	0.80%
Weighted average term increase from modification	21 months 9 days	21 months 15 days	18 months 18 days
Interest rate decrease from modification	7.76%	9.16%	8.81%
Combination \| 3-29 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 5,107	$ 5,864	$ 5,528
Combination \| 30-60 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	1,342	1,596	1,808
Combination \| 61-90 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	741	843	1,366
Combination \| 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance	$ 3,443	$ 2,047	$ 2,227

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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