Business Description And Basis Of Presentation (Details) (USD $)	3 Months Ended	6 Months Ended	9 Months Ended
	Sep. 30, 2010	Jun. 30, 2011	Sep. 30, 2011 months entities	Sep. 30, 2010
Number of active dealers			17,000
Number of active lenders			1,100
Salary and benefit costs reclassification	$ 1,200,000		$ 1,200,000	$ 3,300,000
Debt issuance costs paid		1,800,000	1,909,000
Income Tax Credits [Member]
Income tax credit received			$ 200,000