Allowance For Loan Losses (Summary Of Analysis Of Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 12,565	$ 11,674
Total, Losses	960	1,288
Total Recoveries	152	929
Net losses	808	359
Provision for loan losses	500	1,250
Ending balance	12,257	12,565
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,303
Total, Losses	39	23
Total Recoveries	1	124
Provision for loan losses	(245)
Ending balance	1,020	1,303
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,424
Total, Losses	38	5
Total Recoveries	6	89
Provision for loan losses	91
Ending balance	2,483	2,424
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	4,950
Total, Losses	500	65
Total Recoveries	2	91
Provision for loan losses	581
Ending balance	5,033	4,950
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	641
Total, Losses	0	3
Total Recoveries	7	278
Provision for loan losses	37
Ending balance	685	641
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	153
Total, Losses	0	33
Total Recoveries	1	0
Provision for loan losses	5
Ending balance	159	153
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,911
Total, Losses	260	359
Total Recoveries	53	134
Provision for loan losses	285
Ending balance	1,989	1,911
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	72
Total, Losses	0	2
Total Recoveries	0	0
Provision for loan losses	302
Ending balance	374	72
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	638
Total, Losses	0	158
Total Recoveries	1	30
Provision for loan losses	(459)
Ending balance	180	638
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Total, Losses	0	0
Total Recoveries	0	0
Provision for loan losses	0
Ending balance	0	0
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	210
Total, Losses	52	389
Total Recoveries	44	82
Provision for loan losses	(40)
Ending balance	162	210
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	263
Total, Losses	71	251
Total Recoveries	37	101
Provision for loan losses	(57)
Ending balance	$ 172	$ 263