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Finance Receivables (Details - Charge-Offs for financed receivables) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable, Past Due [Line Items] |  |  |
Charge-offs | $ 1,846 | $ 8,064 | $ 18,319
Vintage Pool 2014 [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Charge-offs | 353 | 325 | 963
Vintage Pool 2015 [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Charge-offs | 285 | 1,031 | 3,047
Vintage Pool 2016 [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Charge-offs | 703 | 3,266 | 6,586
Vintage Pool 2017 [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Charge-offs | 976 | 4,294 | 8,271
Applied Against Repos In Inventory Member [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Charge-Offs for financed receivables applied | $ (471) | $ (852) | $ (548)

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