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Finance Receivables (Details - Charge-Offs for Financed Receivables) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Financing Receivable, Past Due [Line Items] |  |
Charge-offs | $ 3,018 | $ 5,359
Vintage Pool 2014 [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Charge-offs | 141 | 292
Vintage Pool 2015 [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Charge-offs | 444 | 1,089
Vintage Pool 2016 [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Charge-offs | 1,321 | 2,025
Vintage Pool 2017 [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Charge-offs | 1,502 | 2,172
Charged Against Repos In Inventory [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Charge-Offs for financed receivables applied | $ (390) | $ (219)

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