6. Loans (Schedule Of Method Used To Measure Impairment Of Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Impaired Financing Receivable, Unpaid Principal Balance	$ 47,593	$ 60,782	$ 81,208
Commercial Loan [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	506	1,864	7,825
Commercial Loan [Member] | Discounted Cash Flow [Member]
Impaired Financing Receivable, Unpaid Principal Balance	0	158	162
Owner Occupied [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	1,924	10,067	12,074
Owner Occupied [Member] | Discounted Cash Flow [Member]
Impaired Financing Receivable, Unpaid Principal Balance	8,969	2,483	2,657
Non Owner Occupied [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	513	5,832	6,814
Non Owner Occupied [Member] | Discounted Cash Flow [Member]
Impaired Financing Receivable, Unpaid Principal Balance	5,236	0	0
Land And Land Improvements [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	14,023	24,625	26,710
Land And Land Improvements [Member] | Discounted Cash Flow [Member]
Impaired Financing Receivable, Unpaid Principal Balance	1,446	644	654
Construction [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	0	0	0
Non Jumbo [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	3,440	5,516	5,322
Non Jumbo [Member] | Discounted Cash Flow [Member]
Impaired Financing Receivable, Unpaid Principal Balance	2,592	566	891
Jumbo [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	6,648	8,768	17,824
Jumbo [Member] | Discounted Cash Flow [Member]
Impaired Financing Receivable, Unpaid Principal Balance	2,073	0	0
Home Equity [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	186	212	213
Consumer Portfolio Segment [Member] | Fair Value Of Collateral [Member]
Impaired Financing Receivable, Unpaid Principal Balance	$ 37	$ 47	$ 62