Finance Receivables And Allowance For Credit Losses (Schedule Of Impaired Loans That Are Individually Evaluated) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Commercial [Member]
Recorded Investment	$ 23,233	$ 14,721
Commercial [Member] | Impaired Financing Receivable With No Related Allowance [Member]
Recorded Investment	8,751	6,116
Unpaid Principal Balance	9,986	8,001
Related Allowance	0	0
Commercial [Member] | Impaired Financing Receivable With Related Allowance [Member]
Recorded Investment	25,348	17,828
Unpaid Principal Balance	28,578	20,341
Related Allowance	10,162	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	9,784	10,554
Unpaid Principal Balance	13,447	16,781
Related Allowance	0	0
Commercial Real Estate - Other [Member] | Impaired Financing Receivable With Related Allowance [Member]
Recorded Investment	30,121	18,823
Unpaid Principal Balance	31,897	19,849
Related Allowance	7,736	8,514
Impaired Financing Receivable With Related Allowance [Member]
Recorded Investment	74,004	53,321
Unpaid Principal Balance	83,908	64,972
Related Allowance	$ 17,898	$ 14,577