Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans (Components Of Company-Owned Consumer Loans And Receivables) (Details) (USD $) In Thousands	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Dec. 31, 2009
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current	$ 181,973		$ 131,844	$ 119,461
Nonperforming loans	57,004		46,486	55,605
Total consumer loans, gross	238,977		178,330	175,066
Less: Allowance for losses	(47,335)	(37,211)	(38,953)	(45,586)	(36,723)	(27,350)
Consumer loans, net	191,642		139,377	129,480
Short-Term Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current	137,439		115,535	95,795
Nonperforming loans	50,268		43,599	50,925
Total consumer loans, gross	187,707		159,134	146,720
Less: Allowance for losses	(38,969)	(31,196)	(34,455)	(40,567)	(32,179)	(25,194)
Consumer loans, net	148,738		124,679	106,153
Installment Loans [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current	44,534		16,309	6,292
Nonperforming loans	6,736		1,377	858
Total consumer loans, gross	51,270		17,686	7,150
Less: Allowance for losses	(8,366)	(6,015)	(2,988)	(1,375)	(1,016)	(520)
Consumer loans, net	42,904		14,698	5,775
MLOC [Member]
Consumer Loans, Credit Quality Information And Allowances And Liabilities For Losses On Consumer Loans [Line Items]
Current				17,374
Nonperforming loans			1,510	3,822
Total consumer loans, gross			1,510	21,196
Less: Allowance for losses			(1,510)	(3,644)	(3,528)	(1,636)
Consumer loans, net				$ 17,552