Description Of Business (Percentage Of Consumer Loans Assigned Based On Unit Volumes) (Details)	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013
Portfolio Program [Member]
Description Of Business [Line Items]
Percentage of new consumer loans	91.70%	92.40%	92.90%	93.90%	94.40%
Purchase Program [Member]
Description Of Business [Line Items]
Percentage of new consumer loans	8.30%	7.60%	7.10%	6.10%	5.60%