Loans Receivable (Schedule of Consumer Loans Forecasted Collection Percentage) (Details)	Mar. 31, 2015		Dec. 31, 2014		Dec. 31, 2006	Dec. 31, 2007	Dec. 31, 2008	Dec. 31, 2009	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2012	Jun. 30, 2014
Loans Originating In 2006 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	70.00%	[1]	70.00%	[1]
Initial Forecasted Collection Percentage	71.40%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.00%
Variance In Initial Forecasted Collection Percentage					(1.40%)
Loans Originating In 2007 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	68.10%	[1]	68.00%	[1]
Initial Forecasted Collection Percentage	70.70%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.10%
Variance In Initial Forecasted Collection Percentage						(2.60%)
Loans Originating In 2008 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	70.30%	[1]	70.30%	[1]
Initial Forecasted Collection Percentage	69.70%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.00%
Variance In Initial Forecasted Collection Percentage							0.60%
Loans Originating In 2009 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	79.40%	[1]	79.40%	[1]
Initial Forecasted Collection Percentage	71.90%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.00%
Variance In Initial Forecasted Collection Percentage								7.50%
Loans Originating In 2010 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	77.30%	[1]	77.20%	[1]
Initial Forecasted Collection Percentage	73.60%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.10%
Variance In Initial Forecasted Collection Percentage									3.70%
Loans Originating In 2011 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	74.20%	[1]	74.00%	[1]
Initial Forecasted Collection Percentage	72.50%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.20%
Variance In Initial Forecasted Collection Percentage										1.70%
Loans Originating In 2012 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	73.40%	[1]	73.40%	[1]
Initial Forecasted Collection Percentage	71.40%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.00%
Variance In Initial Forecasted Collection Percentage											2.00%
Loans Originating In 2013 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	73.60%	[1]	73.70%	[1]
Initial Forecasted Collection Percentage	72.00%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			(0.10%)
Variance In Initial Forecasted Collection Percentage			1.60%
Loans Originating In 2014 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	72.80%	[1]	72.60%	[1]
Initial Forecasted Collection Percentage	71.80%	[1]
Variance In Forecasted Collection Percentage from December 31, 2014			0.20%
Variance In Initial Forecasted Collection Percentage												1.00%

[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.