Consumer Loans, Credit Quality Information And Allowances And Liabilities For Estimated Losses On Consumer Loans (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2016	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrual For Third Party Lender Owned Consumer Loans	$ 520	$ 340	$ 1,986	$ 1,922	$ 1,241	$ 1,060
Days for delinquent loans to be charged off		60 days
Active consumer loans owned by third-party lenders		$ 7,400	11,100	12,900
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquent loans expiry period (in days)		1 day
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquent loans expiry period (in days)		59 days
Short Term Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrual For Third Party Lender Owned Consumer Loans	26	$ 27	30	159	215	402
Guaranteed Loans Term Available		45 days
Installment Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrual For Third Party Lender Owned Consumer Loans	$ 494	$ 313	$ 1,956	$ 1,763	$ 1,026	$ 658
Guaranteed Loans Term Available	23 months
Unsecured installment loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Guaranteed Loans Term Available		12 months