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, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Performing loans	$ 201,285	$ 216,321	$ 121,405
Nonperforming loans	57,793	69,529	39,740
Total consumer loans, gross	259,078	285,850	161,145
Less: Allowance for losses	(58,713)	(63,072)	(35,010)	(38,953)
Consumer loans, net	200,365	222,778	126,135
Short-Term Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Performing loans	136,158	157,156	101,283
Nonperforming loans	47,775	59,049	36,447
Total consumer loans, gross	183,933	216,205	137,730
Less: Allowance for losses	(43,425)	(50,129)	(30,512)	(34,455)
Consumer loans, net	140,508	166,076	107,218
Installment Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Performing loans	65,127	59,165	20,122
Nonperforming loans	10,018	10,480	3,293
Total consumer loans, gross	75,145	69,645	23,415
Less: Allowance for losses	(15,288)	(12,943)	(4,498)	(2,988)
Consumer loans, net	$ 59,857	$ 56,702	$ 18,917