Auto Loans Held for Investment, Net (Details) - USD ($) $ in Thousands	May 31, 2025	Feb. 28, 2025	May 31, 2024	Feb. 29, 2024
Non-recourse Notes Payable	$ 17,202,299	$ 17,119,758
Financing Receivable, before Allowance for Credit Loss	17,154,500	17,594,600
Interest Receivable	104,700	96,100
Other	17,700	10,800
Financing Receivable, Allowance for Credit Loss	474,222	458,730	$ 493,100	$ 482,800
Financing Receivable, after Allowance for Credit Loss	$ 16,802,744	$ 17,242,789