Loans Receivable (Schedule Of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Loans Receivable [Line Items]
Current Accruing Loans	$ 55	$ 14,968
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	23,898	2,504
Total TDRs	23,953	17,472
Residential Mortgage Loans [Member] | Residential - Prime [Member]
Loans Receivable [Line Items]
Current Accruing Loans
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs
Total TDRs
Commercial Loans [Member] | Real Estate [Member]
Loans Receivable [Line Items]
Current Accruing Loans	55	14,968
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	21,696	2,445
Total TDRs	21,751	17,413
Commercial Loans [Member] | Business [Member]
Loans Receivable [Line Items]
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	1,971	59
Total TDRs	1,971	59
Consumer Loans [Member] | Indirect Automobile [Member]
Loans Receivable [Line Items]
Current Accruing Loans
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs
Total TDRs
Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
Current Accruing Loans
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	231
Total TDRs	231
Consumer Loans [Member] | Credit Card [Member]
Loans Receivable [Line Items]
Current Accruing Loans
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs
Total TDRs
Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
Current Accruing Loans
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs
Total TDRs