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Accounts Receivable - FICO Score (Details) - Auto loan and lease receivables - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total auto loan receivables | $ 725.0 | $ 174.7
Lease portfolio and accrued interest | 104.2 | 0.9
Total Auto loan and lease receivables | 829.2 | 175.6
Less than 599 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total auto loan receivables | 83.2 | 59.9
600-699 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total auto loan receivables | 437.6 | 79.3
700-774 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total auto loan receivables | 166.8 | 25.2
775+ |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total auto loan receivables | $ 37.4 | $ 10.3

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