Allowance For Loan Losses (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Financing Receivable, Impaired [Line Items]
Past Due Threshold in Days	30 days	30 days
Interest income	$ 0.1	$ 0.2
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Threshold Period Past Due for Write-off of Financing Receivable	120 days	120 days
Commercial Industrial Loans And Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Threshold Period Past Due for Write-off of Financing Receivable	120 days	120 days
Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Threshold Period Past Due for Write-off of Financing Receivable	180 days	180 days