Finance Receivables And Allowance For Credit Losses (Schedule Of Risk Category Of Loans) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Commercial [Member]
Risk Category Of Loans [Line Items]
Total	$ 1,336,820	$ 1,216,654
Commercial Real Estate - Construction [Member]
Risk Category Of Loans [Line Items]
Total	99,081	46,141
Commercial Real Estate - Other [Member]
Risk Category Of Loans [Line Items]
Total	1,156,802	1,021,229
Grade, Pass [Member] | Commercial [Member]
Risk Category Of Loans [Line Items]
Total	1,237,274	1,103,556
Grade, Pass [Member] | Commercial Real Estate - Construction [Member]
Risk Category Of Loans [Line Items]
Total	62,604	16,841
Grade, Pass [Member] | Commercial Real Estate - Other [Member]
Risk Category Of Loans [Line Items]
Total	965,967	895,543
Grade, Criticized [Member] | Commercial [Member]
Risk Category Of Loans [Line Items]
Total	38,476	36,212
Grade, Criticized [Member] | Commercial Real Estate - Construction [Member]
Risk Category Of Loans [Line Items]
Total	11,969	13,605
Grade, Criticized [Member] | Commercial Real Estate - Other [Member]
Risk Category Of Loans [Line Items]
Total	62,819	30,331
Grade, Classified - Substandard [Member] | Commercial [Member]
Risk Category Of Loans [Line Items]
Total	23,388	41,695
Grade, Classified - Substandard [Member] | Commercial Real Estate - Construction [Member]
Risk Category Of Loans [Line Items]
Total	10,204	10,147
Grade, Classified - Substandard [Member] | Commercial Real Estate - Other [Member]
Risk Category Of Loans [Line Items]
Total	38,252	34,478
Grade, Classified - Doubtful [Member] | Commercial [Member]
Risk Category Of Loans [Line Items]
Total	37,682	35,191
Grade, Classified - Doubtful [Member] | Commercial Real Estate - Construction [Member]
Risk Category Of Loans [Line Items]
Total	14,304	5,548
Grade, Classified - Doubtful [Member] | Commercial Real Estate - Other [Member]
Risk Category Of Loans [Line Items]
Total	$ 89,764	$ 60,877