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10. Fair Value Measurements (Details - Reconciliation of Finance Receivables) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Fair Value Disclosures [Abstract]    
Balance at beginning of period $ 0 $ 0
Finance receivables at fair value acquired during period 212,610 0
Payments on finance receivables at fair value (6,271) 0
Interest income on finance receivables at fair value 3,508 0
Mark to fair value 0 0
Balance at end of period $ 209,847 $ 0