Troubled Debt Restructurings (Loans By Class Of Financing Receivable Modified As TDRs) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) contract	Mar. 31, 2015 USD ($) contract	Dec. 31, 2015
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts	26		24
Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts \| contract	1	1
Recorded Investment \| $	$ 107	$ 66
Residential Equity Lines [Member] \| Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts \| contract		1
Recorded Investment \| $		$ 66
Residential Single Family [Member] \| Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts \| contract	1
Recorded Investment \| $	$ 107