Finance Receivables And Allowance For Credit Losses (Schedule Of Loans By Class Modified As Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 loan	Dec. 31, 2011 loan
Financing Receivable, Modifications [Line Items]
Number of Loans	108	73
Pre-modification Outstanding Recorded Investment	$ 28,377	$ 14,517
Post-modification Outstanding Recorded Investment	28,222	12,990
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	44	25
Pre-modification Outstanding Recorded Investment	9,585	7,086
Post-modification Outstanding Recorded Investment	9,574	7,086
Commercial Real Estate - Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	3	1
Pre-modification Outstanding Recorded Investment	1,392	1,422
Post-modification Outstanding Recorded Investment	1,382	1,422
Commercial Real Estate - Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	35	46
Pre-modification Outstanding Recorded Investment	16,404	5,956
Post-modification Outstanding Recorded Investment	16,272	4,429
Consumer - Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	26	1
Pre-modification Outstanding Recorded Investment	996	53
Post-modification Outstanding Recorded Investment	$ 994	$ 53