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Fair Value Measurements (Details - Delinquency status) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Initial principal | $ 2,904,235 | $ 2,701,184
Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Initial principal | 2,525,830 | 2,375,271
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Initial principal | 192,735 | 184,968
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Initial principal | 90,847 | 72,390
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Initial principal | 49,337 | 29,048
Repossessed Vehicles [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Initial principal | $ 45,486 | $ 39,507

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