Loans Receivable And Credit Quality (Troubled Debt Restructuring Outstanding) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Modifications [Line Items]
Total Modifications	$ 4,768	$ 4,831
Accrual Loans [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	4,768	4,831
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	3,042	3,078
Commercial Real Estate [Member] | Accrual Loans [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	3,042	3,078
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	247	250
Commercial [Member] | Accrual Loans [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	247	250
Commercial [Member] | Construction [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	260	260
Commercial [Member] | Construction [Member] | Accrual Loans [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	260	260
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	1,219	1,243
Residential Real Estate [Member] | Accrual Loans [Member]
Financing Receivable, Modifications [Line Items]
Total Modifications	$ 1,219	$ 1,243