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(12) Fair Value Measurements (Details - Delinquency status) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Financing Receivable, Past Due [Line Items] |  |
Finance receivables measured at fair value current | $ 1,505,486 | $ 1,344,883
Finance receivables measured at fair value | 1,668,076 | 1,492,803
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Finance receivables measured at fair value | 96,296 | 81,262
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Finance receivables measured at fair value | 36,436 | 34,280
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Finance receivables measured at fair value | 9,607 | 15,167
Repossessed Vehicles [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Finance receivables measured at fair value | $ 20,251 | $ 17,211

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