Loans (Summary Of Past Due Loans, Nonaccrual Loans And Current Loans By Loan Segment And Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 18,507	$ 24,750
Total Past Due and Nonaccrual	35,149	29,489
Current	1,539,862	1,475,646
Total Loans	1,575,011	1,505,135
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,418	2,180
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	13,442	2,279
Greater Than Or Equal To 90 Days Past Due And Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,782	280
Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	17,583	23,572
Total Past Due and Nonaccrual	32,817	26,781
Current	1,322,463	1,257,826
Total Loans	1,355,280	1,284,607
Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,247	1,181
Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	12,612	1,865
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	1,375	163
Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	924	1,178
Total Past Due and Nonaccrual	2,332	2,708
Current	217,399	217,820
Total Loans	219,731	220,528
Total Consumer Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	171	999
Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	830	414
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	407	117
Builder & Developer [Member] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	379	885
Total Past Due and Nonaccrual	2,027	928
Current	161,695	158,384
Total Loans	163,722	159,312
Builder & Developer [Member] | Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	849	0
Builder & Developer [Member] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	78	0
Builder & Developer [Member] | 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	721	43
Commercial Real Estate Investor [Member] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	207	225
Total Past Due and Nonaccrual	207	225
Current	200,459	207,002
Total Loans	200,666	207,227
Commercial Real Estate Investor [Member] | Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Investor [Member] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Investor [Member] | 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 Real Estate Investor [Member] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	3,107	5,771
Total Past Due and Nonaccrual	3,107	6,066
Current	239,495	241,903
Total Loans	242,602	247,969
Residential Real Estate Investor [Member] | Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	295
Residential Real Estate Investor [Member] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential Real Estate Investor [Member] | 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
Hotel/Motel [Member] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Total Past Due and Nonaccrual	12,509	0
Current	66,482	80,260
Total Loans	78,991	80,260
Hotel/Motel [Member] | 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] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	12,509	0
Hotel/Motel [Member] | 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] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	7,215
Total Past Due and Nonaccrual	30	7,215
Current	113,775	102,023
Total Loans	113,805	109,238
Wholesale & Retail [Member] | Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	30	0
Wholesale & Retail [Member] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Wholesale & Retail [Member] | 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] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	1,135
Total Past Due and Nonaccrual	1,022	1,544
Current	94,884	84,967
Total Loans	95,906	86,511
Manufacturing [Member] | Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	368	409
Manufacturing [Member] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Manufacturing [Member] | 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	654	0
Agriculture [Member] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	3,491	2,842
Total Past Due and Nonaccrual	3,491	2,856
Current	74,830	77,863
Total Loans	78,321	80,719
Agriculture [Member] | Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	14
Agriculture [Member] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Agriculture [Member] | 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 Mortgage [Member] | Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	152	275
Total Past Due and Nonaccrual	895	449
Current	96,117	94,419
Total Loans	97,012	94,868
Residential Mortgage [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 Mortgage [Member] | Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	336	70
Residential Mortgage [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	407	104
Home Equity [Member] | Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	575	677
Total Past Due and Nonaccrual	849	1,202
Current	97,875	99,625
Total Loans	98,724	100,827
Home Equity [Member] | Total Consumer Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	143	249
Home Equity [Member] | Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	131	276
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] | Commercial Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	10,399	5,499
Total Past Due and Nonaccrual	10,424	7,947
Current	370,843	305,424
Total Loans	381,267	313,371
Other [Member] | Commercial Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	463
Other [Member] | Commercial Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	25	1,865
Other [Member] | 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	120
Other [Member] | Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	197	226
Total Past Due and Nonaccrual	588	1,057
Current	23,407	23,776
Total Loans	23,995	24,833
Other [Member] | Total Consumer Related Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	28	750
Other [Member] | Total Consumer Related Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	363	68
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	$ 0	$ 13