Allowance For Loan Losses (Summary Of Analysis Of Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 11,472	$ 11,167	$ 12,659
Total Losses	1,555	2,151	4,833
Total Recoveries	1,257	1,206	1,091
Net losses	298	945	3,742
Provision for loan losses	500	1,250	2,250
Ending balance	11,674	11,472	11,167
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	781	1,204
Total Losses	489	77	390
Total Recoveries	73	10	34
Provision for loan losses	569	(356)
Ending balance	934	781	1,204
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,589	927
Total Losses	179	559	11
Total Recoveries	31	290	40
Provision for loan losses	668	931
Ending balance	2,109	1,589	927
Non Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,977	1,316
Total Losses	124	178	0
Total Recoveries	17	13	318
Provision for loan losses	568	1,826
Ending balance	3,438	2,977	1,316
Land And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,852	3,417
Total Losses	127	457	3,535
Total Recoveries	840	456	298
Provision for loan losses	(1,302)	(564)
Ending balance	2,263	2,852	3,417
Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	15	427
Total Losses	9	0	0
Total Recoveries	0	0	0
Provision for loan losses	18	(412)
Ending balance	24	15	427
Non Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,253	1,280
Total Losses	169	417	435
Total Recoveries	136	107	87
Provision for loan losses	954	283
Ending balance	2,174	1,253	1,280
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,593	2,081
Total Losses	0	208	65
Total Recoveries	6	96	163
Provision for loan losses	(1,504)	(376)
Ending balance	95	1,593	2,081
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	253	187
Total Losses	175	76	14
Total Recoveries	3	3	4
Provision for loan losses	332	139
Ending balance	413	253	187
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Total Losses	0	0	0
Total Recoveries	0	0	0
Provision for loan losses	0
Ending balance	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	59	97
Total Losses	98	69	265
Total Recoveries	76	105	74
Provision for loan losses	84	(74)
Ending balance	121	59	97
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	100	231
Total Losses	185	110	118
Total Recoveries	75	126	73
Provision for loan losses	113	(147)
Ending balance	$ 103	$ 100	$ 231