Loans Receivable (Schedule Of Consumer Loans Forecasted Collection Percentage) (Details)	Mar. 31, 2013		Dec. 31, 2012
Loans Originating In 2004 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	73.10%	[1]	73.00%	[1]
Initial Forecasted Collection Percentage	73.00%	[1]
Variance In Forecasted Collection Percentage	0.10%
Variance In Initial Forecasted Collection Percentage	0.10%
Loans Originating In 2005 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	73.60%	[1]	73.60%	[1]
Initial Forecasted Collection Percentage	74.00%	[1]
Variance In Forecasted Collection Percentage	0.00%
Variance In Initial Forecasted Collection Percentage	(0.40%)
Loans Originating In 2006 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	69.90%	[1]	69.90%	[1]
Initial Forecasted Collection Percentage	71.40%	[1]
Variance In Forecasted Collection Percentage	0.00%
Variance In Initial Forecasted Collection Percentage	(1.50%)
Loans Originating In 2007 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	68.00%	[1]	68.00%	[1]
Initial Forecasted Collection Percentage	70.70%	[1]
Variance In Forecasted Collection Percentage	0.00%
Variance In Initial Forecasted Collection Percentage	(2.70%)
Loans Originating In 2008 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	70.40%	[1]	70.30%	[1]
Initial Forecasted Collection Percentage	69.70%	[1]
Variance In Forecasted Collection Percentage	0.10%
Variance In Initial Forecasted Collection Percentage	0.70%
Loans Originating In 2009 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	79.50%	[1]	79.50%	[1]
Initial Forecasted Collection Percentage	71.90%	[1]
Variance In Forecasted Collection Percentage	0.00%
Variance In Initial Forecasted Collection Percentage	7.60%
Loans Originating In 2010 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	77.40%	[1]	77.30%	[1]
Initial Forecasted Collection Percentage	73.60%	[1]
Variance In Forecasted Collection Percentage	0.10%
Variance In Initial Forecasted Collection Percentage	3.80%
Loans Originating In 2011 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	74.20%	[1]	74.10%	[1]
Initial Forecasted Collection Percentage	72.50%	[1]
Variance In Forecasted Collection Percentage	0.10%
Variance In Initial Forecasted Collection Percentage	1.70%
Loans Originating In 2012 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	72.70%	[1]	72.20%	[1]
Initial Forecasted Collection Percentage	71.40%	[1]
Variance In Forecasted Collection Percentage	0.50%
Variance In Initial Forecasted Collection Percentage	1.30%

[1] Represents the total forecasted collections we expect to collect on the Consumer Loans as a percentage of the repayments that we were contractually owed on the Consumer Loans at the time of assignment.  Contractual repayments include both principal and interest.