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1. Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Unrestricted cash balance	$ 19,322	$ 17,859	$ 22,112	$ 12,966
Other assets	$ 23,139	$ 23,915
Incremental shares excluded from EPS calculation	6,800,000	4,500,000	2,100,000
Repossessed Vehicles [Member]
Other assets	$ 12,800	$ 10,400
CPS Leasing, Inc. [Member]
Ownership percentage in subsidiary	80.00%
Dealer concentration [Member] \| Geographic Concentration [Member] \| CALIFORNIA
Concentration percentage	8.90%	8.70%
Dealer concentration [Member] \| Geographic Concentration [Member] \| TEXAS
Concentration percentage	7.90%	10.00%
Dealer concentration [Member] \| Geographic Concentration [Member] \| OHIO
Concentration percentage	6.50%	5.70%
Dealer concentration [Member] \| Geographic Concentration [Member] \| FLORIDA
Concentration percentage	5.30%	5.00%
Dealer concentration [Member] \| Geographic Concentration [Member] \| GEORGIA
Concentration percentage	5.20%	4.40%