Loans (Schedule Of Defaults During Stated Period Of Trouble Debt Restructurings) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) contract	Dec. 31, 2016 USD ($) contract
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	5	4
Recorded Investment at Default Date | $	$ 3,495	$ 454
Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	0	0
Recorded Investment at Default Date | $	$ 0	$ 0
Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	1	0
Recorded Investment at Default Date | $	$ 2,291	$ 0
Non Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	0	0
Recorded Investment at Default Date | $	$ 0	$ 0
Land And Land Improvements [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	1	0
Recorded Investment at Default Date | $	$ 437	$ 0
Construction [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	0	0
Recorded Investment at Default Date | $	$ 0	$ 0
Non Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	3	3
Recorded Investment at Default Date | $	$ 767	$ 452
Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	0	0
Recorded Investment at Default Date | $	$ 0	$ 0
Home Equity Line of Credit [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	0	0
Recorded Investment at Default Date | $	$ 0	$ 0
Mortgage Warehouse Lines [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	0	0
Recorded Investment at Default Date | $	$ 0	$ 0
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Number of Defaults | contract	0	1
Recorded Investment at Default Date | $	$ 0	$ 2