Finance Receivables (Details 3) (USD $) In Thousands, unless otherwise specified				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Nov. 30, 2010	Dec. 31, 2012 Finance receivable Geographic concentration	Dec. 31, 2011 Finance receivable Geographic concentration	Dec. 31, 2012 Finance receivable Geographic concentration California	Dec. 31, 2011 Finance receivable Geographic concentration California	Dec. 31, 2012 Finance receivable Geographic concentration Florida	Dec. 31, 2011 Finance receivable Geographic concentration Florida	Dec. 31, 2012 Finance receivable Geographic concentration North Carolina	Dec. 31, 2011 Finance receivable Geographic concentration North Carolina	Dec. 31, 2012 Finance receivable Geographic concentration Virginia	Dec. 31, 2011 Finance receivable Geographic concentration Virginia	Dec. 31, 2012 Finance receivable Geographic concentration Ohio	Dec. 31, 2011 Finance receivable Geographic concentration Ohio	Dec. 31, 2012 Finance receivable Geographic concentration Illinois	Dec. 31, 2011 Finance receivable Geographic concentration Illinois	Dec. 31, 2012 Finance receivable Geographic concentration Pennsylvania	Dec. 31, 2011 Finance receivable Geographic concentration Pennsylvania	Dec. 31, 2012 Finance receivable Geographic concentration Georgia	Dec. 31, 2011 Finance receivable Geographic concentration Georgia	Dec. 31, 2012 Finance receivable Geographic concentration Other	Dec. 31, 2011 Finance receivable Geographic concentration Other
GEOGRAPHIC DIVERSIFICATION
Concentration (as a percent)				100.00%	100.00%	10.00%	10.00%	7.00%	7.00%	7.00%	7.00%	6.00%	6.00%	6.00%	5.00%	5.00%	5.00%	4.00%	4.00%	4.00%	4.00%	51.00%	52.00%
Net finance receivables	$ 11,696,727	$ 13,016,119	$ 14,327,857	$ 11,696,727	$ 13,016,119	$ 1,180,880	$ 1,334,103	$ 768,237	$ 854,833	$ 806,788	$ 852,990	$ 684,541	$ 717,514	$ 664,564	$ 707,305	$ 594,582	$ 622,615	$ 537,152	$ 567,119	$ 464,827	$ 491,984	$ 5,995,156	$ 6,867,656