Loans (Summary Of Major Classifications For Loans) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 2,557,035	$ 2,606,197
Allowance for loan losses	(21,044)	(20,575)
Net loans	2,535,991	2,585,622
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,214,785	1,207,150
Allowance for loan losses	(6,410)	(6,057)
Home equity - junior liens (including lines of credit) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	141,929	143,390
Allowance for loan losses	(1,461)	(1,672)
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	144,108	164,484
Allowance for loan losses	(1,063)	(1,139)
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,009,892	1,040,866
Allowance for loan losses	(11,260)	(10,775)
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	42,320	46,402
Demand Deposit Account Overdrafts [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	4,001	3,905
Allowance for loan losses	$ (776)	$ (855)