Loans Receivable (Schedule Of Subsequently Defaulted TDRs) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
TDRs Occurring During The Period [Member]
Loans Receivable [Line Items]
Number of Loans	13	39
Pre-modification Outstanding Recorded Investment	$ 12,504	$ 17,650
Post-modification Outstanding Recorded Investment	10,567	16,726
TDRs Occurring During The Period [Member] | Residential Mortgage Loans [Member] | Residential - Prime [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans
Pre-modification Outstanding Recorded Investment
Post-modification Outstanding Recorded Investment
TDRs Occurring During The Period [Member] | Commercial Loans [Member] | Real Estate [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans	7	34
Pre-modification Outstanding Recorded Investment	9,265	17,561
Post-modification Outstanding Recorded Investment	8,365	16,667
TDRs Occurring During The Period [Member] | Commercial Loans [Member] | Business [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans	5	3
Pre-modification Outstanding Recorded Investment	3,001	82
Post-modification Outstanding Recorded Investment	1,971	59
TDRs Occurring During The Period [Member] | Consumer Loans [Member] | Indirect Automobile [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans
Pre-modification Outstanding Recorded Investment
Post-modification Outstanding Recorded Investment
TDRs Occurring During The Period [Member] | Consumer Loans [Member] | Home Equity [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans	1
Pre-modification Outstanding Recorded Investment	238
Post-modification Outstanding Recorded Investment	231
TDRs Occurring During The Period [Member] | Consumer Loans [Member] | Credit Card [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans
Pre-modification Outstanding Recorded Investment
Post-modification Outstanding Recorded Investment
TDRs Occurring During The Period [Member] | Consumer Loans [Member] | Other Consumer [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans		2
Pre-modification Outstanding Recorded Investment		7
TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Loans	36,000	40,000
Pre-modification Outstanding Recorded Investment	22,984	17,472
TDRs That Subsequently Defaulted In Past 12 Months [Member] | Residential Mortgage Loans [Member] | Residential - Prime [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans
Pre-modification Outstanding Recorded Investment
Post-modification Outstanding Recorded Investment
TDRs That Subsequently Defaulted In Past 12 Months [Member] | Commercial Loans [Member] | Real Estate [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans	30,000	35,000
Pre-modification Outstanding Recorded Investment	21,107	17,413
TDRs That Subsequently Defaulted In Past 12 Months [Member] | Commercial Loans [Member] | Business [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans	6,000	3,000
Pre-modification Outstanding Recorded Investment	1,877	59
TDRs That Subsequently Defaulted In Past 12 Months [Member] | Consumer Loans [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Post-modification Outstanding Recorded Investment
TDRs That Subsequently Defaulted In Past 12 Months [Member] | Consumer Loans [Member] | Indirect Automobile [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans
Pre-modification Outstanding Recorded Investment
Post-modification Outstanding Recorded Investment
TDRs That Subsequently Defaulted In Past 12 Months [Member] | Consumer Loans [Member] | Credit Card [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans
Pre-modification Outstanding Recorded Investment
TDRs That Subsequently Defaulted In Past 12 Months [Member] | Consumer Loans [Member] | Other Consumer [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Loans		2,000