Finance Receivables, Net - Summary of Finance Receivable Summarized by Fiscal Year of Origination (Details) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Apr. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	$ 611,576	$ 650,330
2025 (2024)	514,244	515,729
2024 (2023)	235,232	238,969
2023 (2022)	84,958	71,679
2022 (2021)	18,821	8,212
Prior to 2022 (2021)	2,088	1,062
Principal balance	$ 1,466,919	$ 1,485,981	$ 1,509,155
%	100.00%	100.00%	100.00%
Charge-offs, 2026 (2025)	$ 62,019	$ 62,044
Charge-offs, 2025 (2024)	194,384	188,736
Charge-offs, 2024 (2023)	93,448	89,615
Charge-offs, 2023 (2022)	34,692	24,130
Charge-offs, 2022 (2021)	8,123	2,562
Charge-offs, Prior to 2022 (2021)	932	467
Charge-offs, total	393,598	367,554
Customer Score 1-2
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	64,003	42,886
2025 (2024)	19,504	22,136
2024 (2023)	5,063	6,330
2023 (2022)	1,874	1,189
2022 (2021)	217	69
Prior to 2022 (2021)	20	50
Principal balance	$ 90,681	$ 72,660
%	6.20%	4.90%
Customer Score 3-4
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	$ 159,890	$ 234,245
2025 (2024)	153,983	171,447
2024 (2023)	64,464	59,807
2023 (2022)	16,843	13,628
2022 (2021)	2,711	1,228
Prior to 2022 (2021)	412	279
Principal balance	$ 398,303	$ 480,634
%	27.20%	32.30%
Customer Score 5-7
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	$ 387,683
2025 (2024)	340,757
2024 (2023)	165,705
2023 (2022)	66,241
2022 (2021)	15,893
Prior to 2022 (2021)	1,656
Principal balance	$ 977,935
%	66.70%
Customer Score 5-6
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)		$ 373,199
2025 (2024)		322,146
2024 (2023)		172,832
2023 (2022)		56,862
2022 (2021)		6,915
Prior to 2022 (2021)		733
Principal balance		$ 932,687
%		62.80%