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Debt (Schedule of Funding Vehicles) (Details) - USD ($) $ in Thousands | May 31, 2021 | Feb. 28, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Non-Recourse Debt | $ 14,361,497 | $ 13,764,808
Warehouse Facility Three |  |
Debt Instrument [Line Items] |  |
Warehouse Facilities Maximum Borrowing Capacity | 180,000 |
Warehouse Facility Two |  |
Debt Instrument [Line Items] |  |
Warehouse Facilities Maximum Borrowing Capacity | 2,350,000 |
Warehouse Facility One |  |
Debt Instrument [Line Items] |  |
Warehouse Facilities Maximum Borrowing Capacity | 1,400,000 |
Warehouse Facilities [Member] |  |
Debt Instrument [Line Items] |  |
Warehouse Facilities Maximum Borrowing Capacity | 3,930,000 |
Debt Instrument, Unused Borrowing Capacity, Amount | 1,070,000 |
Non-Recourse Debt | 2,860,000 |
Term Securitizations Debt [Member] |  |
Debt Instrument [Line Items] |  |
Non-Recourse Debt | $ 11,500,000 |

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