Loans (Summary Of Past Due Loans, Nonaccrual Loans And Current Loans By Loan Segment And Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 2,514	$ 3,233
Total Past Due and Nonaccrual	4,274	6,672
Current	1,203,568	1,116,539
Total Loans	1,207,842	1,123,211	$ 1,055,649
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	779	1,594
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	808	1,361
Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	173	484
Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	2,019	2,847
Total Past Due and Nonaccrual	2,792	5,110
Current	1,014,113	931,304
Total Loans	1,016,905	936,414	865,924
Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	477	938
Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	203	1,127
Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	93	198
Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	495	386
Total Past Due and Nonaccrual	1,482	1,562
Current	189,455	185,235
Total Loans	190,937	186,797	189,725
Total Consumer Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	302	656
Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	605	234
Total Consumer Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	80	286
Builder & Developer [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	384	411
Total Past Due and Nonaccrual	384	1,117
Current	128,612	132,861
Total Loans	128,996	133,978	133,817
Builder & Developer [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	398
Builder & Developer [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	308
Builder & Developer [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Investor [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	20
Total Past Due and Nonaccrual	211	632
Current	229,408	191,362
Total Loans	229,619	191,994	172,805
Commercial Real Estate Investor [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	211	216
Commercial Real Estate Investor [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	396
Commercial Real Estate Investor [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	3	597
Total Past Due and Nonaccrual	431	901
Current	175,337	160,243
Total Loans	175,768	161,144	122,682
Residential [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	132	0
Residential [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	203	304
Residential [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	93	0
Residential [Member] | Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	121	67
Total Past Due and Nonaccrual	622	316
Current	69,223	69,778
Total Loans	69,845	70,094	73,079
Residential [Member] | Total Consumer Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential [Member] | Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	433	0
Residential [Member] | Total Consumer Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	68	249
Hotel/Motel [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	361	420
Total Past Due and Nonaccrual	361	420
Current	82,353	83,751
Total Loans	82,714	84,171	84,744
Hotel/Motel [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Hotel/Motel [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Hotel/Motel [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Wholesale & Retail [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	43
Total Past Due and Nonaccrual	134	162
Current	88,288	77,532
Total Loans	88,422	77,694	76,831
Wholesale & Retail [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	134	0
Wholesale & Retail [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	119
Wholesale & Retail [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Manufacturing [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Total Past Due and Nonaccrual	0	0
Current	39,327	30,325
Total Loans	39,327	30,325	33,105
Manufacturing [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Manufacturing [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Manufacturing [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Agriculture [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,008	422
Total Past Due and Nonaccrual	1,008	422
Current	47,097	40,795
Total Loans	48,105	41,217	38,290
Agriculture [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Agriculture [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Agriculture [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Home Equity [Member] | Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	312	202
Total Past Due and Nonaccrual	587	758
Current	90,881	85,650
Total Loans	91,468	86,408	84,917
Home Equity [Member] | Total Consumer Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	235	485
Home Equity [Member] | Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	40	71
Home Equity [Member] | Total Consumer Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Other [Member] | Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	263	934
Total Past Due and Nonaccrual	263	1,456
Current	223,691	214,435
Total Loans	223,954	215,891	203,650
Other [Member] | Total Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	324
Other [Member] | Total Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Other [Member] | Total Commercial Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	198
Other [Member] | Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	62	117
Total Past Due and Nonaccrual	273	488
Current	29,351	29,807
Total Loans	29,624	30,295	$ 31,729
Other [Member] | Total Consumer Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	67	171
Other [Member] | Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	132	163
Other [Member] | Total Consumer Related Loans [Member] | Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 12	$ 37