2. Finance Receivables (Details-Allowance for finance credit losses) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Finance Receivables
Balance at beginning of period	$ 68,142	$ 44,652	$ 61,460	$ 39,626
Provision for credit losses on finance receivables	35,683	25,627	69,122	49,508
Charge-offs	(34,836)	(26,985)	(66,665)	(50,526)
Recoveries	5,552	10,032	10,624	14,718
Balance at end of period	$ 74,541	$ 53,326	$ 74,541	$ 53,326