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	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	$ 27,907		$ 41,978	$ 41,917
Delinquent loans	6,019		7,037	8,470
Total consumer loans, gross	33,926		49,015	50,387
Less: allowance for losses	(3,533)	$ (3,225)	(4,162)	(4,393)	$ (3,429)	$ (4,911)
Consumer loans, net	30,393		44,853	45,994
Short-Term Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	25,573		38,492	37,131
Delinquent loans	3,519		4,462	5,613
Total consumer loans, gross	29,092		42,954	42,744
Less: allowance for losses	(2,106)	(2,034)	(2,736)	(3,431)	(2,593)	(3,960)
Consumer loans, net	26,986		40,218	39,313
Installment Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	2,334		3,486	4,786
Delinquent loans	2,500		2,575	2,857
Total consumer loans, gross	4,834		6,061	7,643
Less: allowance for losses	(1,427)	$ (1,191)	(1,426)	(962)	$ (836)	$ (951)
Consumer loans, net	$ 3,407		$ 4,635	$ 6,681