Debt Debt (Schedule of Funding Vehicles) (Details) - USD ($) $ in Thousands	Feb. 28, 2022	Feb. 28, 2021
Schedule of Funding Vehicles [Line Items]
Non-Recourse Debt	$ 15,466,799	$ 13,764,808
Warehouse Facility One [Member]
Schedule of Funding Vehicles [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	2,300,000
Warehouse Facility Three [Member]
Schedule of Funding Vehicles [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	2,500,000
Warehouse Facility Two [Member]
Schedule of Funding Vehicles [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	250,000
Warehouse Facilities [Member]
Schedule of Funding Vehicles [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	5,050,000
Debt Instrument, Unused Borrowing Capacity, Amount	1,760,000
Non-Recourse Debt	3,290,000
Asset-backed term funding transactions
Schedule of Funding Vehicles [Line Items]
Non-Recourse Debt	$ 12,180,000