Loans Receivable (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Age of Consumer Loans contractual payments due with no forecasted future net cash flows		120 months
Increase in provision for credit losses	$ 3.0
Dealer Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase in provision for credit losses	1.2
Purchased Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase in provision for credit losses	$ 1.8