Allowance For Loan Losses (Summary Of Allowance Amount For Loans Individually And Collectively Evaluated For Impairment) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	$ 7,420	$ 3,679	$ 243
Allowance for Loan Losses, Collectively Evaluated For Impairment	13,646	15,465	16,446
Allowance for Loan Losses, Balance	21,066	19,144	16,689	$ 14,992
Loans, Individually Evaluated For Impairment	26,346	45,233	23,447
Loans, Collectively Evaluated For Impairment	1,478,789	1,440,447	1,376,317
Loans, Balance	1,505,135	1,485,680	1,399,764
Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	7,420	3,679	243
Allowance for Loan Losses, Collectively Evaluated For Impairment	13,117	14,211	13,875
Allowance for Loan Losses, Balance	20,537	17,890	14,118	12,774
Loans, Individually Evaluated For Impairment	25,168	43,685	22,513
Loans, Collectively Evaluated For Impairment	1,259,439	1,236,125	1,175,317
Loans, Balance	1,284,607	1,279,810	1,197,830
Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0	0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	528	535	391
Allowance for Loan Losses, Balance	528	535	391	457
Loans, Individually Evaluated For Impairment	1,178	1,548	934
Loans, Collectively Evaluated For Impairment	219,350	204,322	201,000
Loans, Balance	220,528	205,870	201,934
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0	0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	1	719	2,180
Allowance for Loan Losses, Balance	1	719	2,180	1,761
Loans, Individually Evaluated For Impairment	0	0	0
Loans, Collectively Evaluated For Impairment	0	0	0
Loans, Balance	0	0	0
Builder & Developer [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	238	51	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	2,025	2,784	3,388
Allowance for Loan Losses, Balance	2,263	2,835	3,388	2,384
Loans, Individually Evaluated For Impairment	1,094	1,185	2,673
Loans, Collectively Evaluated For Impairment	158,218	153,792	181,729
Loans, Balance	159,312	154,977	184,402
Commercial Real Estate Investor [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0	0	243
Allowance for Loan Losses, Collectively Evaluated For Impairment	2,565	2,636	2,770
Allowance for Loan Losses, Balance	2,565	2,636	3,013	2,870
Loans, Individually Evaluated For Impairment	1,370	4,552	5,645
Loans, Collectively Evaluated For Impairment	205,857	205,949	225,182
Loans, Balance	207,227	210,501	230,827
Residential Real Estate Investor [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	1,873	1,218	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	2,759	2,727	2,505
Allowance for Loan Losses, Balance	4,632	3,945	2,505	2,517
Loans, Individually Evaluated For Impairment	5,771	5,294	1,210
Loans, Collectively Evaluated For Impairment	242,198	225,824	208,204
Loans, Balance	247,969	231,118	209,414
Hotel/Motel [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0	0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	742	732	637
Allowance for Loan Losses, Balance	742	732	637	807
Loans, Individually Evaluated For Impairment	0	0	0
Loans, Collectively Evaluated For Impairment	80,260	77,480	63,195
Loans, Balance	80,260	77,480	63,195
Wholesale & Retail [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	2,537	757	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	1,038	1,056	909
Allowance for Loan Losses, Balance	3,575	1,813	909	803
Loans, Individually Evaluated For Impairment	7,457	12,829	7,912
Loans, Collectively Evaluated For Impairment	101,781	104,451	95,128
Loans, Balance	109,238	117,280	103,040
Manufacturing [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	463	539	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	789	748	592
Allowance for Loan Losses, Balance	1,252	1,287	592	307
Loans, Individually Evaluated For Impairment	1,135	3,026	3,840
Loans, Collectively Evaluated For Impairment	85,376	77,049	58,670
Loans, Balance	86,511	80,075	62,510
Agriculture [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	701	0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	603	579	431
Allowance for Loan Losses, Balance	1,304	579	431	619
Loans, Individually Evaluated For Impairment	2,842	660	315
Loans, Collectively Evaluated For Impairment	77,877	64,880	59,616
Loans, Balance	80,719	65,540	59,931
Consumer Related Loans [Member] \| Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0	0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	158	126	108
Allowance for Loan Losses, Balance	158	126	108	85
Loans, Individually Evaluated For Impairment	275	665	247
Loans, Collectively Evaluated For Impairment	94,593	83,312	79,078
Loans, Balance	94,868	83,977	79,325
Home Equity [Member] \| Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0	0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	203	265	217
Allowance for Loan Losses, Balance	203	265	217	179
Loans, Individually Evaluated For Impairment	677	611	452
Loans, Collectively Evaluated For Impairment	100,150	97,408	97,498
Loans, Balance	100,827	98,019	97,950
Other [Member] \| Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	1,608	1,114	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	2,596	2,949	2,643
Allowance for Loan Losses, Balance	4,204	4,063	2,643	2,467
Loans, Individually Evaluated For Impairment	5,499	16,139	918
Loans, Collectively Evaluated For Impairment	307,872	326,700	283,593
Loans, Balance	313,371	342,839	284,511
Other [Member] \| Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0	0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	167	144	66
Allowance for Loan Losses, Balance	167	144	66	$ 193
Loans, Individually Evaluated For Impairment	226	272	235
Loans, Collectively Evaluated For Impairment	24,607	23,602	24,424
Loans, Balance	$ 24,833	$ 23,874	$ 24,659

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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