Loans Receivable (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2014	Jun. 30, 2013	Dec. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
AveageInitialTermofConsumerLoans			49 months 24 days 8 hours	46 months 27 days 9 hours
Age of Consumer Loans contractual payments due with no forecasted future net cash flows			120 months
Increase in provision for credit losses	$ 2.9	$ 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