Credit Quality Information and Allowances and Accruals for Losses on Consumer Loans (Components of Company-Owned Consumer Loans and Receivables) (Details) (USD $) In Thousands	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009
Credit Quality Information and Allowances and Accruals for Losses on Consumer Loans
Current	$ 150,061		$ 129,419	$ 106,771
Nonperforming loans	47,521		48,911	45,247
Total consumer loans, gross	197,582		178,330	152,018
Less: Allowance for losses	(37,211)	(35,010)	(38,953)	(36,723)	(25,823)	(27,350)
Consumer loans, net	$ 160,371		$ 139,377	$ 115,295