Loans (Schedule Of Method Used To Measure Impairment Of Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	$ 95,232	$ 79,056
Commercial [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	67,086	55,634
Commercial [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	10,776	2,969
Commercial [Member] | Discounted Cash Flow [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	165
Owner-Occupied [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	14,028	9,698
Owner-Occupied [Member] | Discounted Cash Flow [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	2,686	2,580
Non-Owner Occupied [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	9,468	9,790
Land And Land Development [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	29,307	29,862
Land And Land Development [Member] | Discounted Cash Flow [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	656
Construction [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance		735
Residential Real Estate [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	28,080	23,414
Non-Jumbo [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	5,626	4,488
Non-Jumbo [Member] | Discounted Cash Flow [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	692	372
Jumbo [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	21,543	18,147
Home Equity [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	219	407
Consumer [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	66	8
Consumer [Member] | Fair Value Of Collateral [Member]
Schedule Of Measurement Of Impaired Loans [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	$ 66	$ 8