Consumer Loans, Credit Quality Information And Allowances And Liabilities For Estimated Losses On Consumer Loans (Components Of Company-Owned Consumer Loans And Receivables) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	$ 28,331	$ 41,978
Delinquent loans	5,856	7,037
Total consumer loans, gross	34,187	49,015
Less: Allowance for losses	(2,896)	(4,162)	$ (4,911)	$ (4,779)
Consumer loans, net	31,291	44,853
Short Term Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	26,304	38,492
Delinquent loans	2,723	4,462
Total consumer loans, gross	29,027	42,954
Less: Allowance for losses	(1,651)	(2,736)	(3,960)	(4,039)
Consumer loans, net	27,376	40,218
Installment Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	2,027	3,486
Delinquent loans	3,133	2,575
Total consumer loans, gross	5,160	6,061
Less: Allowance for losses	(1,245)	(1,426)	$ (951)	$ (740)
Consumer loans, net	$ 3,915	$ 4,635