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13. Fair Value Measurements (Details - Level 3 Fair Value Measurements) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Finance receivables measured at fair value | $ 821,066 | $ 0 | $ 0
Fair Value [Member] |  |  |
Finance receivables measured at fair value | 821,066 | 0 |
Fair Value [Member] | Level 3 [Member] |  |  |
Finance receivables measured at fair value | $ 821,066 | $ 0 |
Fair Value [Member] | Level 3 [Member] | Discount Rate [Member] | Minimum [Member] |  |  |
Unobservable Inputs, Inputs as of | 8.90% |  |
Fair Value [Member] | Level 3 [Member] | Discount Rate [Member] | MaximumMember |  |  |
Unobservable Inputs, Inputs as of | 9.90% |  |
Fair Value [Member] | Level 3 [Member] | Cumulative Net Losses [Member] | Minimum [Member] |  |  |
Unobservable Inputs, Inputs as of | 15.00% |  |
Fair Value [Member] | Level 3 [Member] | Cumulative Net Losses [Member] | MaximumMember |  |  |
Unobservable Inputs, Inputs as of | 16.00% |  |

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