Allowance For Loan Losses (Summary Of Analysis Of Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 11,674	$ 11,472	$ 11,472
Total, Losses	738	1,155	1,555
Total Recoveries	654	802	1,257
Net losses	84	353	298
Provision for loan losses	875	500	500
Ending balance	12,465	11,619	11,674
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	934
Total, Losses	23	379	489
Total Recoveries	13	69	73
Provision for loan losses	293
Ending balance	1,217		934
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,109
Total, Losses	3	179	179
Total Recoveries	82	25	31
Provision for loan losses	121
Ending balance	2,309		2,109
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	3,438
Total, Losses	65	122	124
Total Recoveries	92	13	17
Provision for loan losses	1,709
Ending balance	5,174		3,438
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,263
Total, Losses	3	50	127
Total Recoveries	246	514	840
Provision for loan losses	(1,858)
Ending balance	648		2,263
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	24
Total, Losses	21	0	9
Total Recoveries	0	0	0
Provision for loan losses	13
Ending balance	16		24
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,174
Total, Losses	200	119	169
Total Recoveries	50	58	136
Provision for loan losses	24
Ending balance	2,048		2,174
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	95
Total, Losses	2	0	0
Total Recoveries	0	6	6
Provision for loan losses	(15)
Ending balance	78		95
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	413
Total, Losses	95	117	175
Total Recoveries	29	3	3
Provision for loan losses	261
Ending balance	608		413
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 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	121
Total, Losses	147	61	98
Total Recoveries	64	55	76
Provision for loan losses	177
Ending balance	215		121
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	103
Total, Losses	179	128	185
Total Recoveries	78	$ 59	75
Provision for loan losses	150
Ending balance	$ 152		$ 103