Consumer Loans, Credit Quality Information And Allowances And Liabilities For Estimated Losses On Consumer Loans (Narrative) (Details) (USD $) In Millions, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Short Term Loans [Member] D	Dec. 31, 2012 Secured Auto Equity Loans [Member] M
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Accrual for losses on consumer loan guaranty obligations	$ 3.5	$ 3.1
Active consumer loans owned by third-party lenders	64.7	59.4
Guaranteed Loans Term			90	42
Non Accrual Consumer Loans Amount	$ 62.0	$ 58.3