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, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	$ 261,949	$ 300,976	$ 201,285
Delinquent loans	69,519	74,145	57,793
Total consumer loans, gross	331,468	375,121	259,078
Less: Allowance for losses	(77,667)	(85,703)	(58,713)	(63,072)
Consumer loans, net	253,801	289,418	200,365
Short-Term Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	119,280	146,732	117,877
Delinquent loans	48,448	52,565	45,941
Total consumer loans, gross	167,728	199,297	163,818
Less: Allowance for losses	(42,570)	(45,982)	(39,907)	(46,406)
Consumer loans, net	125,158	153,315	123,911
Installment Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	110,630	117,641	65,127
Delinquent loans	16,155	15,483	10,018
Total consumer loans, gross	126,785	133,124	75,145
Less: Allowance for losses	(27,033)	(28,614)	(15,288)	(12,943)
Consumer loans, net	99,752	104,510	59,857
L O C [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current loans	32,039	36,603	18,281
Delinquent loans	4,916	6,097	1,834
Total consumer loans, gross	36,955	42,700	20,115
Less: Allowance for losses	(8,064)	(11,107)	(3,518)	(3,723)
Consumer loans, net	$ 28,891	$ 31,593	$ 16,597