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Debt - Additional Information (Details) $ in Thousands		3 Months Ended	12 Months Ended
	Jul. 12, 2024 USD ($)	Jul. 31, 2024 USD ($)	Apr. 30, 2025 USD ($) notePayable	Apr. 30, 2024 USD ($)	Apr. 30, 2023 USD ($)
Issuances of notes payable			$ 649,889	$ 610,340	$ 400,176
Debt issuance costs
Number of series issued | notePayable			6
Minimum of pool balance (in percent)			2.00%
Number of remaining series | notePayable			5
Revolving line of credit, net
Revolving credit facility, additional borrowing capacity			$ 27,300
Revolving line of credit, net | BMO Harris Bank
Line of credit facility, maximum borrowing capacity			$ 350,000
Debt instrument, base rate			7.50%	8.25%
Revolving line of credit, net | BMO Harris Bank | SOFR
Warehouse facility accrues interest rate (in percent)			3.50%
Revolving line of credit, net | BMO Harris Bank | Base Rate
Warehouse facility accrues interest rate (in percent)			1.00%	1.00%
Warehouse Facility
Issuances of notes payable		$ 150,000
Warehouse Facility | Affiliate
Issuances of notes payable	$ 150,000
Notes payable percentage of note classified as recourse	10.00%
Long-term debt, gross			$ 0
Warehouse Facility | SOFR | Affiliate
Warehouse facility accrues interest rate (in percent)	3.50%

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- Definition

Additional borrowing capacity of line of credit facility with an accordion feature.

+ References

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Number of Series of Asset-Backed Securities Issued

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Number of Series of Asset-Backed Securities Outstanding

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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