Debt (Schedule of Funding Vehicles) (Details) - USD ($) $ in Thousands	Aug. 31, 2022	Feb. 28, 2022
Debt Instrument [Line Items]
Non-recourse Notes Payable	$ 16,121,244	$ 15,466,799
Warehouse Facility Three
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	2,850,000
Warehouse Facility Two
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	2,300,000
Warehouse Facility One
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	250,000
Warehouse Facilities [Member]
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	5,400,000
Debt Instrument, Unused Borrowing Capacity, Amount	2,400,000
Non-recourse Notes Payable	3,000,000
Term Securitizations Debt [Member]
Debt Instrument [Line Items]
Non-recourse Notes Payable	$ 13,120,000