Debt (Schedule of Funding Vehicles) (Details) - USD ($) $ in Thousands	May 31, 2023	Feb. 28, 2023
Debt Instrument [Line Items]
Non-recourse Notes Payable	$ 16,779,798	$ 16,360,092
Warehouse Facility Three
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	500,000
Warehouse Facility Two
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	2,800,000
Warehouse Facility One
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	2,300,000
Warehouse Facilities [Member]
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	5,600,000
Debt Instrument, Unused Borrowing Capacity, Amount	1,360,000
Non-recourse Notes Payable	4,240,000
Term Securitizations Debt [Member]
Debt Instrument [Line Items]
Non-recourse Notes Payable	$ 12,540,000