Finance Receivables And Allowance For Credit Losses (Schedule Of Average Balance And Interest Income Recognized On Impaired Loans) (Details) (USD $) In Thousands	9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Commercial [Member]		Sep. 30, 2011 Commercial [Member]		Sep. 30, 2011 Commercial [Member] Impaired Financing Receivable With No Related Allowance [Member]		Sep. 30, 2011 Commercial [Member] Impaired Financing Receivable With No Related Allowance [Member]		Sep. 30, 2011 Commercial [Member] Impaired Financing Receivable With Related Allowance [Member]		Sep. 30, 2011 Commercial [Member] Impaired Financing Receivable With Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Construction [Member] Impaired Financing Receivable With No Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Construction [Member] Impaired Financing Receivable With No Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Construction [Member] Impaired Financing Receivable With Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Construction [Member] Impaired Financing Receivable With Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Other [Member] Impaired Financing Receivable With No Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Other [Member] Impaired Financing Receivable With No Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Other [Member] Impaired Financing Receivable With Related Allowance [Member]		Sep. 30, 2011 Commercial Real Estate - Other [Member] Impaired Financing Receivable With Related Allowance [Member]
Average Recorded Investment	$ 66,400	$ 50,100	$ 77,851		$ 66,429		$ 12,081		$ 11,833		$ 22,118		$ 17,103		$ 0		$ 0		$ 0		$ 0		$ 11,409		$ 10,713		$ 32,243		$ 26,780
Interest Income Recognized			$ 495	[1]	$ 910	[1]	$ 178	[1]	$ 268	[1]	$ 59	[1]	$ 145	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 64	[1]	$ 169	[1]	$ 194	[1]	$ 328	[1]

[1] The Company does not record interest on nonaccrual loans until principal is recovered.