Allowance For Loan Losses (Summary Of Allowance Amount For Loans Individually And Collectively Evaluated For Impairment) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	$ 494		$ 405	$ 900
Allowance for Loan Losses, Collectively Evaluated For Impairment	13,731		12,299	11,480
Allowance for Loan Losses, Balance	14,225	$ 13,558	12,704	12,380	$ 11,966	$ 11,162
Loans, Individually Evaluated For Impairment	15,702		15,915	17,593
Loans, Collectively Evaluated For Impairment	1,192,140		1,107,296	1,038,056
Loans, Balance	1,207,842		1,123,211	1,055,649
Total Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	494		405	900
Allowance for Loan Losses, Collectively Evaluated For Impairment	11,562		10,330	9,151
Allowance for Loan Losses, Balance	12,056	11,559	10,735	10,051	9,432	9,370
Loans, Individually Evaluated For Impairment	14,979		15,302	16,919
Loans, Collectively Evaluated For Impairment	1,001,926		921,112	849,005
Loans, Balance	1,016,905		936,414	865,924
Total Consumer 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	443		489	405
Allowance for Loan Losses, Balance	443	441	489	405	377	456
Loans, Individually Evaluated For Impairment	723		613	674
Loans, Collectively Evaluated For Impairment	190,214		186,184	189,051
Loans, Balance	190,937		186,797	189,725
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	1,726		1,480	1,924
Allowance for Loan Losses, Balance	1,726	1,558	1,480	1,924	2,157	1,336
Builder & Developer [Member] \| Total Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	200		0	495
Allowance for Loan Losses, Collectively Evaluated For Impairment	1,889		1,934	1,645
Allowance for Loan Losses, Balance	2,089	2,033	1,934	2,140	1,906	2,236
Loans, Individually Evaluated For Impairment	3,926		4,284	5,461
Loans, Collectively Evaluated For Impairment	125,070		129,694	128,356
Loans, Balance	128,996		133,978	133,817
Commercial Real Estate Investor [Member] \| Total 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	2,711		2,337	2,100
Allowance for Loan Losses, Balance	2,711	2,586	2,337	2,100	2,630	2,204
Loans, Individually Evaluated For Impairment	5,952		5,977	6,032
Loans, Collectively Evaluated For Impairment	223,667		186,017	166,773
Loans, Balance	229,619		191,994	172,805
Residential [Member] \| Total Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	0		142	142
Allowance for Loan Losses, Collectively Evaluated For Impairment	2,417		1,959	1,425
Allowance for Loan Losses, Balance	2,417	2,415	2,101	1,567	1,384	1,484
Loans, Individually Evaluated For Impairment	1,713		1,471	1,602
Loans, Collectively Evaluated For Impairment	174,055		159,673	121,080
Loans, Balance	175,768		161,144	122,682
Residential [Member] \| Total Consumer 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	77		67	69
Allowance for Loan Losses, Balance	77	65	67	69	66	64
Loans, Individually Evaluated For Impairment	220		164	165
Loans, Collectively Evaluated For Impairment	69,625		69,930	72,914
Loans, Balance	69,845		70,094	73,079
Hotel/Motel [Member] \| Total 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	824		837	885
Allowance for Loan Losses, Balance	824	844	837	885	702	671
Loans, Individually Evaluated For Impairment	361		420	446
Loans, Collectively Evaluated For Impairment	82,353		83,751	84,298
Loans, Balance	82,714		84,171	84,744
Wholesale & Retail [Member] \| Total 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	809		701	693
Allowance for Loan Losses, Balance	809	697	701	693	586	691
Loans, Individually Evaluated For Impairment	262		309	383
Loans, Collectively Evaluated For Impairment	88,160		77,385	76,448
Loans, Balance	88,422		77,694	76,831
Manufacturing [Member] \| Total 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	372		223	244
Allowance for Loan Losses, Balance	372	309	223	244	192	201
Loans, Individually Evaluated For Impairment	618		630	636
Loans, Collectively Evaluated For Impairment	38,709		29,695	32,469
Loans, Balance	39,327		30,325	33,105
Agriculture [Member] \| Total Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	263		263	263
Allowance for Loan Losses, Collectively Evaluated For Impairment	329		285	264
Allowance for Loan Losses, Balance	592	568	548	527	509	329
Loans, Individually Evaluated For Impairment	1,008		422	422
Loans, Collectively Evaluated For Impairment	47,097		40,795	37,868
Loans, Balance	48,105		41,217	38,290
Home Equity [Member] \| Total Consumer 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	172		161	159
Allowance for Loan Losses, Balance	172	167	161	159	158	176
Loans, Individually Evaluated For Impairment	312		202	203
Loans, Collectively Evaluated For Impairment	91,156		86,206	84,714
Loans, Balance	91,468		86,408	84,917
Other [Member] \| Total Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated For Impairment	31		0	0
Allowance for Loan Losses, Collectively Evaluated For Impairment	2,211		2,054	1,895
Allowance for Loan Losses, Balance	2,242	2,107	2,054	1,895	1,523	1,554
Loans, Individually Evaluated For Impairment	1,139		1,789	1,937
Loans, Collectively Evaluated For Impairment	222,815		214,102	201,713
Loans, Balance	223,954		215,891	203,650
Other [Member] \| Total Consumer 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	194		261	177
Allowance for Loan Losses, Balance	194	$ 209	261	177	$ 153	$ 216
Loans, Individually Evaluated For Impairment	191		247	306
Loans, Collectively Evaluated For Impairment	29,433		30,048	31,423
Loans, Balance	$ 29,624		$ 30,295	$ 31,729

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

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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.

+ References

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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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