3. Finance Receivables (Details - Allowance for Credit Losses) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finance Receivables Details - Finance Receivables
Balance at beginning of period	$ 61,460	$ 39,626	$ 19,594
Provision for credit losses	142,618	108,228	76,869
Charge-offs	(156,553)	(109,914)	(69,455)
Recoveries	28,078	23,520	12,618
Balance at end of period	$ 75,603	$ 61,460	$ 39,626