Finance Receivables And Allowance For Credit Losses (Schedule Of Activity In Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Beginning Balance	$ 12,990	$ 4,815
Charge-off's	(2,484)	(2,402)
Payments	(6,674)	(998)
Additions	28,222	11,575
Ending Balance	32,054	12,990
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Beginning Balance	7,086	3,778
Charge-off's	(2,230)	(850)
Payments	(1,770)	(352)
Additions	9,574	4,510
Ending Balance	12,660	7,086
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Beginning Balance	5,851	972
Charge-off's	(234)	(1,552)
Payments	(4,849)	(634)
Additions	17,654	7,065
Ending Balance	18,422	5,851
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Beginning Balance	53	65
Charge-off's	(20)	0
Payments	(20)	(12)
Additions	460	0
Ending Balance	473	53
Residential [Member]
Financing Receivable, Impaired [Line Items]
Beginning Balance	0	0
Charge-off's	0	0
Payments	(35)	0
Additions	534	0
Ending Balance	$ 499	$ 0