Allowance For Loan Losses (Summary Of Analysis Of Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 11,674	$ 11,472	$ 11,472
Total, Losses	314	560	1,555
Total Recoveries	108	153	1,257
Net losses	206	407	298
Provision for loan losses	250	250	500
Ending balance	11,718	11,315	11,674
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	934
Total, Losses	2	260	489
Total Recoveries	3	59	73
Provision for loan losses	(117)
Ending balance	818		934
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,109
Total, Losses	3	0	179
Total Recoveries	8	8	31
Provision for loan losses	565
Ending balance	2,679		2,109
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	3,438
Total, Losses	65	101	124
Total Recoveries	2	3	17
Provision for loan losses	1,026
Ending balance	4,401		3,438
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,263
Total, Losses	3	0	127
Total Recoveries	15	5	840
Provision for loan losses	(1,567)
Ending balance	708		2,263
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	24
Total, Losses	0	0	9
Total Recoveries	0	0	0
Provision for loan losses	(4)
Ending balance	20		24
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,174
Total, Losses	160	120	169
Total Recoveries	22	36	136
Provision for loan losses	207
Ending balance	2,243		2,174
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	95
Total, Losses	1	0	0
Total Recoveries	0	0	6
Provision for loan losses	76
Ending balance	170		95
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	413
Total, Losses	0	11	175
Total Recoveries	0	1	3
Provision for loan losses	78
Ending balance	491		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	30	15	98
Total Recoveries	18	15	76
Provision for loan losses	(29)
Ending balance	80		121
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	103
Total, Losses	50	53	185
Total Recoveries	40	$ 26	75
Provision for loan losses	15
Ending balance	$ 108		$ 103