Finance Receivables And Allowance For Credit Losses (Schedule Of Impaired Loans That Are Individually Evaluated) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Recorded Investment	$ 73,001
Related Allowance	1,188	1,600
Commercial [Member]
Recorded Investment	17,165	14,721
Commercial [Member] | Impaired Financing Receivable With No Related Allowance [Member]
Recorded Investment	15,409	6,116
Unpaid Principal Balance	20,699	8,001
Related Allowance	0	0
Commercial [Member] | Impaired Financing Receivable With Related Allowance [Member]
Recorded Investment	18,887	17,828
Unpaid Principal Balance	19,817	20,341
Related Allowance	8,803	6,063
Commercial Real Estate - Construction [Member] | Impaired Financing Receivable With No Related Allowance [Member]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Commercial Real Estate - Construction [Member] | Impaired Financing Receivable With Related Allowance [Member]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Commercial Real Estate - Other [Member] | Impaired Financing Receivable With No Related Allowance [Member]
Recorded Investment	13,033	10,554
Unpaid Principal Balance	19,621	16,781
Related Allowance	0	0
Commercial Real Estate - Other [Member] | Impaired Financing Receivable With Related Allowance [Member]
Recorded Investment	34,365	18,823
Unpaid Principal Balance	37,743	19,849
Related Allowance	7,233	8,514
Impaired Financing Receivable With Related Allowance [Member]
Recorded Investment	81,694	53,321
Unpaid Principal Balance	97,880	64,972
Related Allowance	$ 16,036	$ 14,577