Debt (Schedule of Funding Vehicles) (Details) - USD ($) $ in Thousands	May 31, 2025	Feb. 28, 2025
Debt Instrument [Line Items]
Non-recourse Notes Payable	$ 17,202,299	$ 17,119,758
Warehouse Facility One
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	2,300,000
Warehouse Facility Two
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	3,100,000
Warehouse Facility Three
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	700,000
Warehouse Facilities [Member]
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	6,100,000
Debt Instrument, Unused Borrowing Capacity, Amount	2,480,000
Non-recourse Notes Payable	3,620,000
Term Securitizations Debt [Member]
Debt Instrument [Line Items]
Non-recourse Notes Payable	$ 13,580,000