9. Fair Value Measurements (Details - Reconciliation of Finance Receivables) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Fair Value Disclosures [Abstract]
Balance at beginning of period	$ 1,444,038	$ 821,066
Finance receivables at fair value acquired during period	265,282	244,753
Payments received on finance receivables at fair value	(109,558)	(49,500)
Net interest income accretion on fair value receivables	(29,715)	(18,767)
Mark to fair value	(10,350)	0
Balance at end of period	$ 1,559,697	$ 997,552