Troubled Debt Restructurings (Schedule Of Troubled Debt Restructurings On Financing Receivables) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) contract	Sep. 30, 2015 USD ($) contract	Sep. 30, 2016 USD ($) contract	Sep. 30, 2015 USD ($) contract
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 160	$ 169	$ 992	$ 688
Post-Modification Outstanding Recorded Investment	$ 129	$ 169	$ 961	$ 688
Troubled Debt Restructuring Modifications Number Of Contracts | contract	2	1	4	2
Commercial Real Estate Non-Owner Occupied
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Pre-Modification Outstanding Recorded Investment			$ 736
Post-Modification Outstanding Recorded Investment			$ 736
Troubled Debt Restructuring Modifications Number Of Contracts | contract			1
Residential Single Family
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 160	$ 169	$ 256	$ 688
Post-Modification Outstanding Recorded Investment	$ 129	$ 169	$ 225	$ 688
Troubled Debt Restructuring Modifications Number Of Contracts | contract	2	1	3	2