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Debt (Schedule Of Outstanding Term ABS Financings) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2015 USD ($)
Term ABS 2013-1 [Member] |
Debt Instrument [Line Items] |
Debt financing close date | Apr. 25, 2013
Net Book Value Of Loans Pledged As Collateral | $ 187.8
Term ABS 2013-2 [Member] |
Debt Instrument [Line Items] |
Debt financing close date | Oct. 31, 2013
Net Book Value Of Loans Pledged As Collateral | $ 250.1
Term ABS 2014-1 [Member] |
Debt Instrument [Line Items] |
Debt financing close date | Apr. 16, 2014
Net Book Value Of Loans Pledged As Collateral | $ 374.7
Term ABS 2014-2 [Member] |
Debt Instrument [Line Items] |
Debt financing close date | Sep. 25, 2014
Net Book Value Of Loans Pledged As Collateral | $ 437.6
Term ABS 2015-2 [Member] |
Debt Instrument [Line Items] |
Debt financing close date | Jan. 29, 2015
Net Book Value Of Loans Pledged As Collateral | $ 375.9
Term ABS 2015-2 [Member] |
Debt Instrument [Line Items] |
Debt financing close date | Aug. 20, 2015
Net Book Value Of Loans Pledged As Collateral | $ 375.5

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