Loans (Summary Of Major Classifications For Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 2,630,742	$ 2,606,197
Allowance for loan losses	(20,487)	(20,575)
Net loans	2,610,255	2,585,622
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,274,062	1,204,450
Allowance for loan losses	(6,959)	(6,057)
Home equity - junior liens (including lines of credit) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	146,965	146,090
Allowance for loan losses	(1,491)	(1,672)
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	130,462	148,302
Allowance for loan losses	(1,593)	(1,139)
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,034,593	1,057,048
Allowance for loan losses	(9,606)	(10,775)
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	41,042	46,402
Demand Deposit Account Overdrafts [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	3,618	3,905
Allowance for loan losses	$ (750)	$ (855)